Chemistry in Everyday Life

IMPORTANT

Chemistry in Everyday Life: Overview

This topic covers concepts, such as, Preparation and Uses of Baking Soda, Preparation and Uses of Washing Soda, Preparation and Uses of Bleaching Powder, Preparation and Uses of Rock Salt & Soaps and Detergents etc.

Important Questions on Chemistry in Everyday Life

HARD
IMPORTANT

Which mild base is use for relief after being stung by a honey bee?

EASY
IMPORTANT

Consider the following statements :
(i) Washing soda on strong heating gives sodium oxide and carbon dioxide.
(ii) Plaster of Paris is obtained by heating gypsum at 373K.
(iii) Bleaching powder is used for disinfecting drinking water.
Which of these statements(s) is/are correct?

EASY
IMPORTANT

Which of the following can be used for removal of stains of rust on clothes?
1. H2O2
2. Oxalic acid
3. Petrol
4. Alcohol

MEDIUM
IMPORTANT

Consider the following statements: Hard water is not suitable for:
1. Drinking
2. Washing clothes with soap
3. Use in boilers
4. Irrigating crops
Which of these statements are correct?

EASY
IMPORTANT

Soap helps in cleaning of clothes because _____.

HARD
IMPORTANT

Which among the following is the correct chemical formula of baking soda?

HARD
IMPORTANT

Washing soda is represented by which of the following chemical formula?

EASY
IMPORTANT

Which one of the following is NOT true for bleaching powder?

MEDIUM
IMPORTANT

Match List-I with List-II and select the correct answer from the codes given below:

List-I (Item)  List-II (Chemical Name)
A. Bleaching Powder 1. Calcium Oxychloride
B. Gypsum     2. Calcium Sulphate
C. Marble   3. Calcium Carbonate

EASY
IMPORTANT

A detergent is a_____.

EASY
IMPORTANT

Na2CO3·10H2O is the chemical formula for which of these following hydrates?

EASY
IMPORTANT

Which of the following is used as an oxidizing agent in many textile industries?

EASY
IMPORTANT

Na2CO3 is a chemical name for which of this household product?

EASY
IMPORTANT

Which of the following detergents is consisted of molecules with head groups that are uncharged?

EASY
IMPORTANT

Which of the following is not a use of Baking Soda?

EASY
IMPORTANT

Iodine is used to test the presence of _____in food. 

EASY
IMPORTANT

_____ is a neurotransmitter that excites our neurons not just in our tongues. 

EASY
IMPORTANT

The Process of optimising fat content in milk is called _____.

EASY
IMPORTANT

Sodium hydrogen carbonate on heating produces _____.

EASY
IMPORTANT

Bleaching powder is: