Class 10 Practice Level 2 - Acids, Bases and Salts - Set 2

Total questions: 25

Which of the following will neutralize hydrochloric acid?

Topic: Properties of Acids and Bases

Sodium chloride

Sodium hydroxide

Sodium carbonate

Sodium sulphate

None

What is the colour change of methyl orange in a basic solution?

Topic: Common Indicators

Red

Yellow

Blue

Green

None

Which solution has the highest concentration of hydrogen ions?

Topic: pH Scale

pH 1

pH 4

pH 7

pH 10

None

Which gas is released when sodium carbonate reacts with sulfuric acid?

Topic: Reaction with Carbonates

Hydrogen

Oxygen

Carbon dioxide

Nitrogen

None

Which of the following is a property of hydrochloric acid?

Topic: Properties of Acids

It is slippery to touch

It turns blue litmus paper red

It reacts with bases to form carbon dioxide

It has a bitter taste

None

What is formed when potassium hydroxide reacts with sulfuric acid?

Topic: Neutralization Reaction

Potassium sulphate and water

Potassium chloride and water

Potassium carbonate and water

Potassium nitrate and water

None

If a solution changes the colour of red litmus paper to blue, what can be said about the solution?

Topic: pH of Solutions

It is acidic

It is basic

It is neutral

It is a salt solution

None

Which of the following acids is used in the pickling of metals?

Topic: Common Acids

Acetic acid

Citric acid

Hydrochloric acid

Sulfuric acid

None

Which base is used in the manufacture of soap?

Topic: Reaction with Bases

Sodium carbonate

Sodium hydroxide

Calcium hydroxide

Ammonium hydroxide

None

10.

Which indicator will turn blue in an alkaline solution?

Topic: Indicators

Methyl orange

Phenolphthalein

Litmus

Bromothymol blue

None

11.

Which of the following metals does not react with hydrochloric acid?

Topic: Reaction with Metals

Zinc

Magnesium

Iron

Copper

None

12.

What is the pH of a solution that is neither acidic nor basic?

Topic: pH Scale

None

13.

What type of reaction occurs when an acid reacts with a metal?

Topic: Acid-Base Reactions

Displacement reaction

Neutralization reaction

Decomposition reaction

Combustion reaction

None

14.

Which of the following properties is characteristic of bases?

Topic: Properties of Bases

They turn blue litmus paper red

They have a sour taste

They react with acids to form salts

They are non-conductors of electricity

None

15.

Which base is commonly found in household bleach?

Topic: Common Bases

Sodium carbonate

Sodium hydroxide

Calcium hydroxide

Ammonium hydroxide

None

16.

Which of the following has a pH less than 7?

Topic: Common Substances

Blood

Seawater

Lemon juice

Baking soda solution

None

17.

Which of the following will turn phenolphthalein colourless?

Topic: Acidic and Basic Solutions

Sodium hydroxide

Ammonium hydroxide

Hydrochloric acid

Potassium hydroxide

None

18.

Which acid is used in car batteries?

Topic: Uses of Acids

Hydrochloric acid

Sulfuric acid

Acetic acid

Nitric acid

None

19.

Which of the following salts is used in the food industry as a preservative?

Topic: Salts

Sodium chloride

Sodium bicarbonate

Sodium benzoate

Sodium hydroxide

None

20.

What is formed when zinc reacts with hydrochloric acid?

Topic: Reaction with Acids

Zinc chloride and hydrogen gas

Zinc sulphate and water

Zinc carbonate and oxygen gas

Zinc oxide and carbon dioxide

None

21.

Which of the following statements about acids is correct?

Topic: Properties of Acids

They taste bitter

They turn red litmus blue

They feel slippery

They release hydrogen ions in water

None

22.

Which solution will have a pH greater than 7?

Topic: pH of Solutions

Lemon juice

Vinegar

Baking soda solution

Tomato juice

None

23.

Which of the following indicators will turn red in an acidic solution?

Topic: Acid-Base Indicators

Phenolphthalein

Methyl orange

Bromothymol blue

Litmus

None

24.

Which of the following substances is amphoteric (can act as both an acid and a base)?

Topic: Properties of Acids and Bases

Hydrochloric acid

Sodium hydroxide

Water

Sulfuric acid

None

25.

Which base is used in antacids to neutralize stomach acid?

Topic: Uses of Salts

Sodium hydroxide

Magnesium hydroxide

Potassium hydroxide

Calcium hydroxide

None

1 out of 25

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Class 10 Practice Level 2 - Acids, Bases and Salts - Set 2

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