Arrhenius acid gives

Important Questions on Acids, Bases And Salts

MEDIUM

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 27

Which of the following does not give ${\mathrm{H}}^{+}$ ions in aqueous solution?

MEDIUM

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 28

The substances whose odour changes in acidic and basic solutions are known as

HARD

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 29

Aqueous solution of copper sulphate reacts with aqueous ammonium hydroxide solution to give

HARD

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 30

A student takes some zinc granules in a test tube and adds dilute hydrochloric acid to it. He would observe that the colour of the zinc granules changes to
 

MEDIUM

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 31

pH of sodium carbonate (${\mathrm{Na}}_2{\mathrm{CO}}_3$) solution will be

MEDIUM

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 32

When bitten by an ant, the sting causes irritation due to the presence of

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10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 33

Acidity in the sugarcane juice is removed by adding

MEDIUM

10th CBSE

IMPORTANT

Foundation Course Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE>Q 34

Which of the following salts on dissolving in water will give a solution with pH less than $7$ at $298 \mathrm{K}$?