MEDIUM
10th ICSE
IMPORTANT
Earn 100

State one observation when concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.

Important Questions on Practice Paper-2

MEDIUM
10th ICSE
IMPORTANT
ICSE SELF STUDY IN CHEMISTRY>Chapter 14 - Practice Paper-2>UNSOLVED PRACTICE PAPERS FOR REVISION>Q 1

State one observation on the action of heat on copper nitrate solution.

MEDIUM
10th ICSE
IMPORTANT
ICSE SELF STUDY IN CHEMISTRY>Chapter 14 - Practice Paper-2>UNSOLVED PRACTICE PAPERS FOR REVISION>Q 1

State one observation when excess of ammonia is treated with chlorine.

MEDIUM
10th ICSE
IMPORTANT
ICSE SELF STUDY IN CHEMISTRY>Chapter 14 - Practice Paper-2>UNSOLVED PRACTICE PAPERS FOR REVISION>Q 1

State one observation when ammonia is passed over heated copper oxide.

HARD
10th ICSE
IMPORTANT
ICSE SELF STUDY IN CHEMISTRY>Chapter 14 - Practice Paper-2>UNSOLVED PRACTICE PAPERS FOR REVISION>Q 1
A compound has the following percentage composition by weight: C=26.6 %, O= 71.1 %, H= 2.2 %. Determine the empirical formula of the compound. If the relative mass is 90, calculate the molecular formula of the compound (Atomic masses of elements are:C=12 u, O=16 u, H=1 u).
EASY
10th ICSE
IMPORTANT
ICSE SELF STUDY IN CHEMISTRY>Chapter 14 - Practice Paper-2>UNSOLVED PRACTICE PAPERS FOR REVISION>Q 1
Determine the number of moles on 8 g of oxygen. O=16
EASY
10th ICSE
IMPORTANT
ICSE SELF STUDY IN CHEMISTRY>Chapter 14 - Practice Paper-2>UNSOLVED PRACTICE PAPERS FOR REVISION>Q 1

Give the IUPAC name of: 

Question Image

EASY
10th ICSE
IMPORTANT
ICSE SELF STUDY IN CHEMISTRY>Chapter 14 - Practice Paper-2>UNSOLVED PRACTICE PAPERS FOR REVISION>Q 1

Give the IUPAC name of the compound:

Question Image

EASY
10th ICSE
IMPORTANT
ICSE SELF STUDY IN CHEMISTRY>Chapter 14 - Practice Paper-2>UNSOLVED PRACTICE PAPERS FOR REVISION>Q 1

Write balanced chemical equation for the following:

A mixture of ethene and hydrogen is passed over heated nickel.