Vinegar tastes sour

Important Questions on Acids, Bases and Salts

EASY

7th CBSE

IMPORTANT

Science Booster>Chapter 6 - Acids, Bases and Salts>Check Point 1>Q 2

Oxalic acid is found in tamarind.

MEDIUM

7th CBSE

IMPORTANT

Science Booster>Chapter 6 - Acids, Bases and Salts>Check Point 1>Q 3

Bases are soapy to touch

MEDIUM

7th CBSE

IMPORTANT

Science Booster>Chapter 6 - Acids, Bases and Salts>Check Point 1>Q 4

Bases are colourless liquids.

EASY

7th CBSE

IMPORTANT

Science Booster>Chapter 6 - Acids, Bases and Salts>Check Point 2>Q 1

Litmus dye is obtained from _____

EASY

7th CBSE

IMPORTANT

Science Booster>Chapter 6 - Acids, Bases and Salts>Check Point 2>Q 2

Blue and red litmus papers do not change colour in _____ solutions.

EASY

7th CBSE

IMPORTANT

Science Booster>Chapter 6 - Acids, Bases and Salts>Check Point 2>Q 3

Phenolphthalein is a _____ indicator. (synthetic/natural)

MEDIUM

7th CBSE

IMPORTANT

Science Booster>Chapter 6 - Acids, Bases and Salts>Check Point 2>Q 4

China rose indicator turns _____ in acidic solution.

EASY

7th CBSE

IMPORTANT

Science Booster>Chapter 6 - Acids, Bases and Salts>Check Point 2>Q 5

Neutralisation is _____ evolving reaction.