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

Write balanced equation and name the product formed when :
Cupric oxide reacts with nitric acid.

Write balanced equation and name the product formed when : 
Zinc reacts with dilute nitric acid.

Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.

How will you prepare Aqua regia from nitric acid?

What do you observe when?
Concentrated nitric acid is dropped on a hot surface?

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? What is the contribution of methane in causing greenhouse effect?

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:
(a) Excess of air
(b) Absence of air
(c) Air in presence of copper and 120atm pressure
(d) Air with molybdenum oxide at 100 atm pressure.

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 → ___________