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Tushar
Subject: Science
, asked on 14/3/18
What are the two ways to test chemically saturated and unsaturated conpounds?
Answer
1
Aaliya Ali Oomatia
Subject: Science
, asked on 14/3/18
What is
Sodium ethoxite
Sodium acetate
Sodium ethanoate??
Answer
8
Harini
Subject: Science
, asked on 14/3/18
etthyl alcohol + METAL GIVES SALT + H2 . THIS IS SAME AS ACID + METAL GIVES SALT AND H2 . THEN WHY THERE IS NO CHANGE IN COLOR OF LITMUS WHEN ADDED TO ALCOHOL?
Answer
1
Champ Jee
Subject: Science
, asked on 14/3/18
Q25.
Q25. A student added acetic acid to each test tube shown below, she brought a burning splinter near the mouth of test tube. What will happen and why?
Answer
7
Harini
Subject: Science
, asked on 14/3/18
why oxidation is called controlled combustion
????
Answer
1
Sameer Ahmed
Subject: Science
, asked on 14/3/18
List of isomers that we have to learn for class 10 science board exam.
Answer
2
Kunal
Subject: Science
, asked on 14/3/18
Funtional group
Answer
2
Yana Gupta
Subject: Science
, asked on 14/3/18
Solve this:
17. a. How are cracks in railway lines joined? What is the name given to the reaction that is used in this process?
b. The chemical compositions of ores of two moderately reactive metals X and Y are XS and YCO3 respectively. How can these ores be converted into their respective oxides?
Answer
4
अर्कज ..
Subject: Science
, asked on 14/3/18
3Solve this:
A compound C (molecular formula, C
2
H
4
O
2
) reacts with the non metal
compound R and evolves a gas which burn with a pop sound, compound
treatment with an alcohol A in the presence of an acid form a sweet
compound S(molecular formula, C
3
H
6
O
2
On addition Of NaOH to C. it also
and water S on treatment with NaOH solution gives back Rand A, Identified
and write down the reactions involved.
Answer
2
अर्कज ..
Subject: Science
, asked on 14/3/18
Solve this:
Answer
2
Tushar
Subject: Science
, asked on 14/3/18
What are the answers for the last two parts
Does the colour of potassium permanganate persist when it is added initially ?
Why does the colour of potassium permanganate not disappear when excess is added ?
Answer
1
Champ Jee
Subject: Science
, asked on 14/3/18
Name all of them pls....
Answer
4
Yash Chavan
Subject: Science
, asked on 14/3/18
a) What are hydrocarbons? Give examples.
b) Give the structural difference between saturated and unsaturated hydrocarbons with examples.
c) What is a functional group? Give examples of four different functional groups
Answer
2
Angela
Subject: Science
, asked on 14/3/18
an organic compound with molecular formula C
2
H
6
O on oxidation gives an acid. name the acid and the reaction forming the acid.
Answer
3
Champ Jee
Subject: Science
, asked on 14/3/18
In electron dot structure, do we have to show circles also ( they make diagram untidy) or just dot representing electrons will do good.
As an example please show electron dot structure of ethanol or any other simple compound pls...
Answer
5
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What are you looking for?
Sodium ethoxite
Sodium acetate
Sodium ethanoate??
Q25. A student added acetic acid to each test tube shown below, she brought a burning splinter near the mouth of test tube. What will happen and why?
????
17. a. How are cracks in railway lines joined? What is the name given to the reaction that is used in this process?
b. The chemical compositions of ores of two moderately reactive metals X and Y are XS and YCO3 respectively. How can these ores be converted into their respective oxides?
A compound C (molecular formula, C2H4O2) reacts with the non metal
compound R and evolves a gas which burn with a pop sound, compound
treatment with an alcohol A in the presence of an acid form a sweet
compound S(molecular formula, C3H6O2 On addition Of NaOH to C. it also
and water S on treatment with NaOH solution gives back Rand A, Identified
and write down the reactions involved.
b) Give the structural difference between saturated and unsaturated hydrocarbons with examples.
c) What is a functional group? Give examples of four different functional groups
As an example please show electron dot structure of ethanol or any other simple compound pls...