NCERT Exemplar MCQ Quiz

Question 1 of 7

NCERT Exemplar

Which among the following is not a base?

A NaOH B KOH C NH 4 OH D \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}\)

Select one option. Answers are shown after the test.

Question 2 of 7

NCERT Exemplar

Which of the following is acidic in nature?

A Lime juice B Human blood C Lime water D Antacid

Select one option. Answers are shown after the test.

Question 3 of 7

NCERT Exemplar

Equal volumes of hydrochloric acid and sodium hydroxide solutions of same concentration are mixed and the pH of the resulting solution is checked with a pH paper. What would be the colour obtained? (You may use colour guide given in Figure 2.2

A Red B Yellow C Yellowish green D Blue

Select one option. Answers are shown after the test.

Question 4 of 7

NCERT Exemplar

Which of the following statements is true for acids?

A Bitter and change red litmus to blue B Sour and change red litmus to blue C Sour and change blue litmus to red D Bitter and change blue litmus to red

Select one option. Answers are shown after the test.

Question 5 of 7

NCERT Exemplar

Which of the following are present in a dilute aqueous solution of hydrochloric acid?

A \(\mathrm{H}_3 \mathrm{O}^{+}+\mathrm{Cl}^{-}\) B \(\mathrm{H}_3 \mathrm{O}++\mathrm{OH}^{-}\) C \(\mathrm{Cl}^{-}+\mathrm{OH}^{-}\) D unionised HCl

Select one option. Answers are shown after the test.

Question 6 of 7

NCERT Exemplar

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

A Litmus B Turmeric C Vanilla essence D Petunia leaves

Select one option. Answers are shown after the test.

Question 7 of 7

NCERT Exemplar

Common salt besides being used in kitchen can also be used as the raw material for making
(i) washing soda (ii) bleaching powder
(iii) baking soda (iv) slaked lime

A (i) and (ii) B (i), (ii) and (iv) C (i) and (iii) D (i), (iii) and (iv)

Select one option. Answers are shown after the test.

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