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

Arrange the following according to the instruction given in the bracket:

Ethane, methane, ethene, ethyne (In the increasing order of the molecular weight) [H = 1. C = 12].

 Name the particles present in :
 Weak electrolyte 

 Find the empirical formula and the molecular formula of an organic compound from the data given below : 
C = 75.92%, H = 6.32% and N = 17.76%
The vapour density of the compound is 39.5.
[C = 12, H = 1, N = 14]

Define an acid.

Give the name and formula of two : Strong monobasic acids

Give the name and formula of two : Weak dibasic acids

Give the name and formula of two : Non-volatile acids

Give the name and formula of two : Volatile acids

Define a base.

Explain, all alkalis are bases but all bases are not alkalis.

What is the difference between : An alkali and a metal hydroxide?

An hydrous hydrogen chloride is not an acid but its aqueous solution is a strong acid. Explain.

Carbonic acid gives an acid salt but hydrochloric acid does not. Explain.

What do you understand by the strength of an acid? On what factors does the strength of an acid depend?

How is an acid prepared from a non metal and a base from a metal? Give equation.

Define an acid salt.

Why common salt gets wet during rainy season?

Write the reactions of SO₂ and oxides of nitrogen which leads to acid rain formation.

Fill in the blank
The word acid comes from latin word acidus meaning _________

Fill in the blank
Vinegar is the source of ________ acid.