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

In which ratio reactants are taken in Ostwald process?

Name the catalyst used in Ostwald process.

Write the equations involved in Ostwald process.

Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.

Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO₃, State the reason.

How can 68% nitric acid be concentrated to 98% nitric acid?

Give three equations of the reaction to prove that nitric acid is an acid.

Which was the first organic compound synthesized in laboratory and by whom?

Write the molecular formulae of the third and fifth members of homologous series represented by general formula C_nH_2n-2.

Which of the following belong to same homologous series?

C3H₈, C₃H₆, C₄H₈, C₄H₆

How many isomers of the following hydrocarbons are possible?

C₃H₈

Explain with the help of a balanced equation, the brown ring test for nitric acid.

What is major source of organic compounds?

Why is freshly prepared ferrous sulphate solution used in the ring test?

Give four differences between organic and inorganic compounds.

Brown ring disappear if the test tube is disturbed.

Fill in the blank:

Organic compounds are essentially_________compounds. They
show ___________Reaction and their rates are ___________.

Fill in the blank:

One of the products of combustion of organic compounds is
always__________

Fill in the blank:

More than 90% of the known organic compounds are. ________

Fill in the blank:

Vital force theory was discarded by the synthesis of__________ in laboratory.