MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is the colour of an aqueous solution of barium chloride?

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Important Questions on Chemical Reactions and Equations

MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 6
Some crystals of ferrous sulphate were dissolved in distilled water. The colour of solution obtained was : 
 
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 7
A student puts one big iron screw each in four test tubes containing an aqueous solution of aluminium sulphate, copper sulphate, ferrous sulphate and zinc sulphate. After some time, he observed a reddish-brown coating only on the surface of the screw which was put in the solution of:
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 8

Which one is the correct statement about the reaction?

Fe(s)+CuSO4(aq)→FeSO4(aq)+Cu(s)

 

MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 9
What is the colour of an aqueous solution of sodium sulphate?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 10
Which one is a double displacement reaction?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 11
When we start heating, a mixture of sulphur powder and iron fillings, we would observe that 
 
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 12
The colour of NO2 and PbO formed when lead nitrate is heated are:
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 13
When an iron nail rubbed with sandpaper is dipped in copper sulphate solution, we observe that copper gets deposited