Saleha Pervez, Mansi Garg and, Poonam Singh Solutions for Chapter: Chemistry in Everyday Life, Exercise 1: Self Check

Consider the following statements,

1. Baking soda is used in fire extinguishers.

2. Quick lime is used in the manufacturing of glass.

3. Gypsum is used in the manufacturing of plaster of Paris.

Which of the statements given above is/are correct?

Consider the following statements,

1. Molten glass is cooled slowly and uniformly.

2. The process of slow and uniform cooling is known as annealing.

3. Soda glass is a mixture of sodium or calcium silicates.

Which of the statement(s) given above is/are true?

Consider the following statements: 
$1.$ Alpha-Naphthylthiourea is used to kill rats.
$2.$ Rats not only destroy stocks of food, but they also spread diseases.

Which of the statement(s) given above is/are correct?

Consider the following beverages:

1. Rum

2. Cedar

3. Beer

4. Brandy

Which of the above is/are distilled beverages?

The hair dye available in the market contains two bottles, one containing dye and other containing hydrogen peroxide. The bottles are mixed before applying the dye. The function of hydrogen peroxide is

Consider the following statements,

1. Hard soaps (common bar soaps) are the sodium salts of fatty acids.

2. Soft soaps are the potassium salts of fatty acids and semi-solid in nature.

Which of the statement(s) given above is/are correct?

Consider the following statements,
$1$. Buna-S, known as vulcanized rubber, is used in manufacturing automobile tires.
$2$. Carbon fibres are stronger than steel and are used in the defence sector.
Which of the statements given above is/are incorrect? 

In the labels of the bottles, some soft drinks are claimed to be acidity regulators. They regulate acidity using:

1. Carbon dioxide

2. Bicarbonate salts

3. Carbon dioxide and lime

Select the correct option.