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list some uses of non metals [at least 10 uses]
Why can't copper displace zinc from its salt solution ?
what are the uses of metals and nonmetals
write the name of four metals and non metals with their physical and chemical propertiesand their uses.
experts or anyone else answer it quickly
uses of 5 metals and non metals in our daily life.
what is sonorous?
Give 10 examples of non- metals.
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?
Find out the location of the deposits of iron, alimunium and zinc in india?
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
copper does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid . why?
What Is Thermite Reaction?
Fe + O2 + H2O -----> ?
Why is phosphorus stored under water and sodium and potassium under kerosene?????
in what form magnesium is found in plants
list of metals with their
name a non-metal that is a good conductor of heat and electricity
what do u mean by reactivity series of metals?
Rust is a basic or acidic oxide?
Wht happens when zinc strip is dipped into copper sulphate solution?
give examples of malleable, ductile, sonorous materials
why gold is found in free state but iron is not?
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.
which is best conductor of heat and electricity?
a)gold b)silver c)copper d)aluminium
compare the properties of metals and non-metals with respect to malleability, ductility and conductivity.
when gold ornaments are sent for polishing they lose small amount of weight.explain how does this happen?
Why sodium does not react with kerosene?
Why are sodium and potassium stored under kerosene Oil.
give an example of reaction of non metal with bases
WHY IS SODIUM KEPT UNDER KEROSENE AND NOT UNDER WATER
Q: Complete the reactions and write in words.
h) Znso4+ Fe-
Why zinc is more reactive than copper?
gold is found in free state but iron is not . Give reason
plz answer today
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
Silver is more likely to tarnish near a petroleum refinery than in a place far away . Explain why?
why lemon pickle is not stored in aluminium utensils
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 are the physical and chemical properties of metals and non-metals?
show with the help of an experiment that copper is more reactive than silver.plz giv the ans soon
what is sonority? explain in detail
aluminium is above iron in the reactivity series. however its reactions with oxygen and water appear to show that it is less reactive than iron. explain.
1) A suspension of rust in water turns __________litmus ____________.
2)In general, metallic oxides are ___________ in nature whereas oxides of non metals are _________ in nature.
5) Metals react with acids to produce___________ gas which burns with a __________ sound.
7) The elements which possess character of both metals and non metals are called __________.
why immersion rods for heating liquids are made up of metallic substances?????
why magnesium hydroxide turns red litmus paper blue? PLS ANSWER AS QUICK AS YOU CAN MERITNATION EXPERTS!!!1 PLS
Which non metal is used in vulcanization of rubber and why??
An oxide solution of which of the following elements will turn blue litmus red?
what is meaning of lusture
4Fe+3o2+xH2O becomes 2Fe2o3xH2o
I want to know how does the 'x' come in between ....
why is gold preferred for making jewellery?
why is coal poor conductor of heat???
as some people burns coal at the time of winter for heat
how do metals react with acids? explain through examples.
in which part of the sky would you look for te full moon?
what is P4H10
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
THE PLANTS AND ANIMALS FOUND IN A PARTICULAR AREA ARE CALLED ( ENDEMIC SPECIES / FLORA AND FAUNA).
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.
is asbestos a metal or non metal
and why it is bad conductor of
Why sodium is kept is kerosene..?
Please explain this equation 2Cu+H2O+CO2+O2=Cu(OH)2=CuCO3
what happens when dilute sulphuric acid is poured oon copper plate?
names of places in india where gold copper and iron mines are located
Three pins made of copper, aluminium and iron respectively are kept i moist air for several days.The pin that that will rust is
a)copper b)aluminium c)iron d)all
can u store zinc sulphate solution in a copper vessel ? why ?
give me some poster ideas for the topic `say no to plastics`
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
Two difference between metal non metal ???
how does vegetation helps to conserve water?
what are metalloids? give two examples.
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