(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO₃?

What do you observe when?
Conc. HNO₃ drops on the skin of a person?

Write the structural formulae of isomers of butane.

What do you observe when?
Scrap zinc is heated with conc. HNO₃?

What happens when (Given balanced equation) :
Sulphar is added to hot and conc. HNO₃?

Under what conditions does ethane get converted to ethyl alcohol?

What are the main sources of alkanes and why they are known as saturated hydrocarbons?

What is greenhouse gas?

How many covalent bonds are present in ethane?

What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?

What happen when (Given balanced equation) :
Nitric acid is dissolved in large amount of water?

What are the products obtained by heating ethane in:

Excess of air.

What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?

What happen when (Given balanced equation):
Limestone reacts with nitric acid?

Complete and balance the following equation :
C + HNO₃ → ___________

Complete and balance the following equation :
SO₂ + HNO₃  → ______________

Complete and balance the following equation :
Fe + HNO₃(conc.) → _____________

How is ethylene prepared in laboratory? Give balanced equation and
procedure. How is the gas prepared and dried?

Complete and balance the following equation :
FeSO₄ + NO + H₂O → ______________

Complete and balance the following equation :
Pt + HNO₃ + HCl → ___________