ACIDS,BASES AND SALTS

1.

Multiple Choice

20 sec

1 pt

Do acids and bases conduct electricity?

Only acids conduct electricity

Only bases conduct electricity

Bases and acids conduct electricity

Neither conduct electricity

2.

Multiple Choice

20 sec

1 pt

Which of the following values would represent the pH of a strong base?

1

8

7

13

3.

Multiple Select

20 sec

1 pt

Which of the following are the characteristics of a BASE?

Very bitter in taste

Liberate OH- ions when dissolved in water

Have pH of less than 7

Turns blue litmus red

4.

Multiple Choice

20 sec

1 pt

Identify the gas evolved.

Hydrogen

Nitrogen

Carbon dioxide

Oxygen

5.

Fill in the Blank

20 sec

1 pt

The sodium compound used for softening of hard water is ____________.

6.

Open Ended

20 sec

1 pt

The common name of CaOCl₂is bleaching powder. Yes or No?

Evaluate responses using AI:

OFF

7.

Multiple Choice

20 sec

1 pt

According to the pH range given in the image,which substance is more acidic than lemon juice?

Hydrochloric acid

Cabbage

Milk

Milk Of Magnesia

8.

Multiple Select

20 sec

1 pt

Common salt beside being used in kitchen can also be used as the raw material for making:

Baking soda

Slaked lime

Washing soda

Bleaching powder

9.

Multiple Choice

20 sec

1 pt

Which among the following is not a base?

NaOH

KOH

HCl

NH₄OH

10.

Multiple Choice

20 sec

1 pt

Which one of the following can be used as an acid-base indicator by a visually impaired student?

Litmus

Turmeric

Methyl Orange

Vanilla essence

11.

Multiple Choice

20 sec

1 pt

Which of the following is not a mineral acid?

Hydrochloric acid

Citric acid

Nitric acid

Sulphuric acid

12.

Multiple Choice

20 sec

1 pt

Which of the following salts does not contain water of crystallisation?

Blue vitreol

Baking soda

Washing soda

Gypsum

13.

Multiple Choice

20 sec

1 pt

Which of the following salts will give an aqueous solution having pH of almost 7?

Ammonium nitrate

Ammonium chloride

Calcium chloride

Sodium chloride

14.

Fill in the Blank

20 sec

1 pt

The process of electrolysis is called __________ process?

15.

Fill in the Blank

20 sec

1 pt

__________ is used to sterilise water in swimming pools?

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