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

Name the alkyl radical and the functional group of the following organic compound:

C₄H₉COOH

 State one observation for each of the following  :
 A small piece of zinc is added to dilute hydrochloric acid 

Give the structural formula of Acetic acid.

 Give the appropriate term defined by the statements given below : 
The formula that represents the simplest ratio of the various elements present in one molecule of the compound. 

Give the appropriate term defined by the statements given below :
 The substance that releases hydronium ion as the only positive ion when dissolved in water. 

 Ethane, methane, ethene, ethyne. (In the increasing order of the molecular weight) 

 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.