Select Board & Class
list some uses of non metals [at least 10 uses]
what are the uses of metals and nonmetals
uses of 5 metals and non metals in our daily life.
a. Zinc + lead nitrate solution
b. Iron + zinc sulphate solution
c. Lead + copper nitrate solution
d. Magnesium + Silver nitrate solution
e. Copper + potassium chloride solution
Give 10 examples of non- metals.
what is sonorous?
Find out the location of the deposits of iron, alimunium and zinc in india?
what precautions we should have to take while handling the equipments containing mercury?
A compound `X` is used for drinking, has pH =7.Its acidified solution undergoes decomposition in presence of electricity to produce gases `Y` and `Z` The volume of Y is double than Z. Y is highly combustible whereas Z is supporter of combustion .Identify X, Y & Z and writes thechemical reactions involved.
What Is Thermite Reaction?
1. The most reactive metal is
a)Iron b)Gold c) Potassium d) Zinc
2. What happens when aluminium metal is placed in the freshly prepared solution of sodium hydroxide ? What does a "POP" sound indicates , when a burning matchstick is brought near the mouth of the test tube?
Fe + O2 + H2O -----> ?
Rust is a basic or acidic oxide?
Why is phosphorus stored under water and sodium and potassium under kerosene?????
show with the help of an experiment that copper is more reactive than silver.plz giv the ans soon
list of metals with their
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
name a non-metal that is a good conductor of heat and electricity
compare the properties of metals and non-metals with respect to malleability, ductility and conductivity.
what do u mean by reactivity series of metals?
Property of metals which make them useful as electric wires/
Wht happens when zinc strip is dipped into copper sulphate solution?
can u store zinc sulphate solution in a copper vessel ? why ?
give examples of malleable, ductile, sonorous materials
Q.1. can you store lemon pickle in an aluminium utensil?explain
Q2. give reasons for the following.
a. aluminium foils are used to wrap food items.
b.immersions rods for heating liquid are made up of metalic substance.
c. copper cannot displace zinc from its salt solution.
d.sodium and potasium are stored in kerosene.
gold is found in free state but iron is not . Give reason
plz answer today
why gold is found in free state but iron is not?
write the name of four metals and non metals with their physical and chemical propertiesand their uses.
experts or anyone else answer it quickly
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
when gold ornaments are sent for polishing they lose small amount of weight.explain how does this happen?
is plastic a non metal? if no, then why not? if yes, then why is it written in the column " properties of non-metals " that all non- metals are soft and can be easily broken? i need a perfect explanation
Why are sodium and potassium stored under kerosene Oil.
give an example of reaction of non metal with bases
An oxide solution of which of the following elements will turn blue litmus red?
copper does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid . why?
Why zinc is more reactive than copper?
elements which do not react chemically are known as?
name a non metal which has metallic lustre.
write the reactivity series of metals
Prepare Index cards for any four metals and four non-metals. The card should have information like name of metal/non metal;It's physical properties ,chemical properties and it's uses.
i need the symbols of atlaest 20 metals and 20 non metals
the main ones
Describe an activity to show displacement reaction with copper sulphate and iron ?
Why can't copper displace zinc from its salt solution ?
Suppose copper is high up in the reactivity series.Would it still have been such a useful metal ? Give reasons .
why lemon pickle is not stored in aluminium utensils
What are the physical and chemical properties of metals and non-metals?
a doctor diagnosed a patient with iron deficiency and gave him tablets containing iron. but the tablets were not hard and did not look like iron at all. what do you think the tablets contained
what is sonority? explain in detail
which is best conductor of heat and electricity?
a)gold b)silver c)copper d)aluminium
Why is the coil of a heating element of a heater made from a metal?
why immersion rods for heating liquids are made up of metallic substances?????
Why sodium does not react with kerosene?
Which non metal is used in vulcanization of rubber and why??
why is acetic acid written as CH3COOH and not like C2H4O2?i want an experts answer fast.....
what is meaning of lusture
why is gold preferred for making jewellery?
how do metals react with acids? explain through examples.
How to prepare Index card on 4 metals and 4 non-matals with the information like name of matals/nonmatals , its physical properties , chemical properties and uses ???????????
please tell faster
Prepare imdex cards for any four metals and non-metals. The card should have information like name of the matal/non-metal, its physical properties, chemical properties and uses.
Why sodium is kept is kerosene..?
Please explain this equation 2Cu+H2O+CO2+O2=Cu(OH)2=CuCO3
Moist air
what happens when dilute sulphuric acid is poured oon copper plate?
in what form magnesium is found in plants
names of places in india where gold copper and iron mines are located
A metal was burnt in air. The substance formed was dissolved in water and tested with blue and red litmus paper. What result can we expect ?
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
give me some poster ideas for the topic `say no to plastics`
plzzz fast
why is iron a poor metal to use for water pipes ? give reasons .
Two difference between metal non metal ???
Silver is more likely to tarnish near a petroleum refinery than in a place far away . Explain why?
what are metalloids? give two examples.
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Syllabus
list some uses of non metals [at least 10 uses]
what are the uses of metals and nonmetals
uses of 5 metals and non metals in our daily life.
a. Zinc + lead nitrate solution
b. Iron + zinc sulphate solution
c. Lead + copper nitrate solution
d. Magnesium + Silver nitrate solution
e. Copper + potassium chloride solution
Give 10 examples of non- metals.
what is sonorous?
Find out the location of the deposits of iron, alimunium and zinc in india?
what precautions we should have to take while handling the equipments containing mercury?
A compound `X` is used for drinking, has pH =7.Its acidified solution undergoes decomposition in presence of electricity to produce gases `Y` and `Z` The volume of Y is double than Z. Y is highly combustible whereas Z is supporter of combustion .Identify X, Y & Z and writes thechemical reactions involved.
What Is Thermite Reaction?
1. The most reactive metal is
a)Iron b)Gold c) Potassium d) Zinc
2. What happens when aluminium metal is placed in the freshly prepared solution of sodium hydroxide ? What does a "POP" sound indicates , when a burning matchstick is brought near the mouth of the test tube?
Fe + O2 + H2O -----> ?
Rust is a basic or acidic oxide?
Why is phosphorus stored under water and sodium and potassium under kerosene?????
show with the help of an experiment that copper is more reactive than silver.plz giv the ans soon
list of metals with their
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
name a non-metal that is a good conductor of heat and electricity
compare the properties of metals and non-metals with respect to malleability, ductility and conductivity.
what do u mean by reactivity series of metals?
Property of metals which make them useful as electric wires/
Wht happens when zinc strip is dipped into copper sulphate solution?
can u store zinc sulphate solution in a copper vessel ? why ?
give examples of malleable, ductile, sonorous materials
Q.1. can you store lemon pickle in an aluminium utensil?explain
Q2. give reasons for the following.
a. aluminium foils are used to wrap food items.
b.immersions rods for heating liquid are made up of metalic substance.
c. copper cannot displace zinc from its salt solution.
d.sodium and potasium are stored in kerosene.
gold is found in free state but iron is not . Give reason
plz answer today
why gold is found in free state but iron is not?
write the name of four metals and non metals with their physical and chemical propertiesand their uses.
experts or anyone else answer it quickly
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
when gold ornaments are sent for polishing they lose small amount of weight.explain how does this happen?
is plastic a non metal? if no, then why not? if yes, then why is it written in the column " properties of non-metals " that all non- metals are soft and can be easily broken? i need a perfect explanation
Why are sodium and potassium stored under kerosene Oil.
give an example of reaction of non metal with bases
An oxide solution of which of the following elements will turn blue litmus red?
copper does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid . why?
Why zinc is more reactive than copper?
elements which do not react chemically are known as?
name a non metal which has metallic lustre.
write the reactivity series of metals
Prepare Index cards for any four metals and four non-metals. The card should have information like name of metal/non metal;It's physical properties ,chemical properties and it's uses.
i need the symbols of atlaest 20 metals and 20 non metals
the main ones
Describe an activity to show displacement reaction with copper sulphate and iron ?
Why can't copper displace zinc from its salt solution ?
Suppose copper is high up in the reactivity series.Would it still have been such a useful metal ? Give reasons .
why lemon pickle is not stored in aluminium utensils
What are the physical and chemical properties of metals and non-metals?
a doctor diagnosed a patient with iron deficiency and gave him tablets containing iron. but the tablets were not hard and did not look like iron at all. what do you think the tablets contained
what is sonority? explain in detail
which is best conductor of heat and electricity?
a)gold b)silver c)copper d)aluminium
Why is the coil of a heating element of a heater made from a metal?
why immersion rods for heating liquids are made up of metallic substances?????
Why sodium does not react with kerosene?
Which non metal is used in vulcanization of rubber and why??
why is acetic acid written as CH3COOH and not like C2H4O2?i want an experts answer fast.....
what is meaning of lusture
why is gold preferred for making jewellery?
a)A is more reactive than B
b) B is more reactive than A.
c) Both A and B are equally reactive.
d) No such conclusion can be drawn.
how do metals react with acids? explain through examples.
How to prepare Index card on 4 metals and 4 non-matals with the information like name of matals/nonmatals , its physical properties , chemical properties and uses ???????????
please tell faster
a. copper, b. aluminium, c. iorn
2. metals react with oxygen to form their oxides which are generally.
a. neutral in nature , b. acidic in nature, c. basic in nature
3. which of the following statement is incorrect
a. metals have lustue, b.metals are malleable c. metals are good conductors of electricity , d. metals are poor conductors of heat
Prepare imdex cards for any four metals and non-metals. The card should have information like name of the matal/non-metal, its physical properties, chemical properties and uses.
Why sodium is kept is kerosene..?
Please explain this equation 2Cu+H2O+CO2+O2=Cu(OH)2=CuCO3
Moist air
i) sonorous ii) malleable iii) ductile iv) brittle
what happens when dilute sulphuric acid is poured oon copper plate?
rnin what form magnesium is found in plants
names of places in india where gold copper and iron mines are located
A metal was burnt in air. The substance formed was dissolved in water and tested with blue and red litmus paper. What result can we expect ?
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
give me some poster ideas for the topic `say no to plastics`
plzzz fast
why is iron a poor metal to use for water pipes ? give reasons .
Two difference between metal non metal ???
Silver is more likely to tarnish near a petroleum refinery than in a place far away . Explain why?
what are metalloids? give two examples.