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

The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid.

1. Name A (a liquid), B (a solid), and C (a liquid). (Do not give the formulae.)
2. Write an equation to show how nitric acid undergoes decomposition.
3. Write the equation for the reaction in which copper is oxidised by concentrated nitric acid.

A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Identify B. Write the equation with copper.

Complete the table:

What is the property of nitric acid which allows it to react with copper?

From the following list of substances, choose one substance in the case which matches the description given below:

Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.

A Substance that gives off only oxygen when heated.

What are organic compounds?

What is the Vital force theory? Why was it discarded?

Draw the structure formula of ethyne.

Give a chemical test to distinguish between Saturated and Unsaturated?

Name the compound prepared by the following reaction:

\[\ce{C2H5COONa +NaOH ->}\] 

Name the compound prepared by the following reaction:

\[\ce{CH3I + 2H ->}\]

Name the compound prepared by the following reaction:

\[\ce{C2H5Br + KOH (alcoholic solution) ->}\]

Name the compound prepared by the following reaction:

\[\ce{CO + 2H2 (Zinc oxide catalyst) ->}\]

Name the compound prepared by the following reaction:

\[\ce{CaC2 + 2H2O ->}\]

Write the equation for the following reaction:

Calcium carbide and water

Define isomerism.

Give the IUPAC name of the isomer C₄H₁₀ which has a branched-chain.

A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.

1. Identify X, Y and Z
2. Write the structural formula of X and Y.
3. What type of compound is P?
4. Name the above reaction.
5. If compounds X and Y both have 2 carbon atoms. Write the reaction.

Name an organic compound which is a solvent for gums and resins.

Convert ethane to acetic acid.