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

Fill in the blank with appropriate word/words.

Denatured alcohol is a mixture of _____ and _______

Fill in the blank with appropriate word/words.

For test of unsaturation _____is used.

Fill in the blank with appropriate word/words.

 In laboratory ethyne is prepared by the reaction of water an _________

Two isomers of the compound having molecular formula C₃H₆O are ______ and ______.

Describe the theory of manufacture of sulphuric acid by contact process, with all the necessary conditions (No technical details are required but equations should be given for each stage of process).

Compounds having the same molecular formula but different properties are called

The first organic compound prepared by Wohler in the laboratory was

Define the following term:
Constant boiling mixture

Soda-lime is a mixture of

When sodium propionate is heated with soda-lime, the product formed is

LPG contains

Methane reacts with energy of chlorine in diffused sunlight to give the final product as

Define the following term : Oleum

Ethene reacts with 1% cold alkaline KMnO₄ to give

When ethanol is heated with conc. H₂SO₄ at 170^oC, it gets converted into ethane. In this reaction conc. H₂SO₄ acts as

What word is used to describe theses three compounds taken together?

1. For each of the compounds: (î) ethane (ii) vinegar and (iii) marsh gas, draw the relevant structural formula.
2. What word is used to describe these three compounds taken together?

Name the following:
The catalyst used in the constant process.

1. What is the special feature of the structure of:
   1. C₂H₂?
   2. C₂H₄?
2. What type of reaction is common to both of these compounds?

What type of reaction is common to both of these compounds?