10 Question MCQ (including Assertion)

Question 1 of 10

NCERT Exemplar

Which one of the following figures correctly describes the process of electrolytic refining?

A

B

C

D

Select one option. Answers are shown after the test.

Question 2 of 10

NCERT Exemplar

Which among the following statements is incorrect for magnesium metal?

A It burns in oxygen with a dazzling white flame B It reacts with cold water to form magnesium oxide and evolves hydrogen gas C It reacts with hot water to form magnesium hydroxide and evolves hydrogen gas D It reacts with steam to form magnesium hydroxide and evolves hydrogen gas

Select one option. Answers are shown after the test.

Question 3 of 10

The composition of aqua-regia is

A Dil. HCl : Conc. \(\mathrm{HNO}_3\) 3 : 1 B Conc. HCl : Dil. \(\mathrm{HNO}_3\) 3 : 1 C Conc. HCl : Conc. \(\mathrm{HNO}_3\) 3 : 1 D Dil.HCI : Dil. \(\mathrm{HNO}_3\) 3 : 1

Select one option. Answers are shown after the test.

Question 4 of 10

NCERT Exemplar

Stainless steel is a very useful material for our life. In stainless steel, iron is mixed with

A Ni and Cr B Cu and Cr C Ni and Cu D Cu and Au

Select one option. Answers are shown after the test.

Question 5 of 10

Which of the following are not ionic compounds?
(i) KCl
(ii) HCl
(iii) \(\mathrm{CCl}_4\)
(iv) NaCl

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

Select one option. Answers are shown after the test.

Question 6 of 10

NCERT Exemplar

Electrical wires have a coating of an insulating material. The material, generally used is

A Sulphur B Graphite C PVC D All can be used

Select one option. Answers are shown after the test.

Question 7 of 10

NCERT Exemplar

Element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following

A Mg B Na C P D Ca

Select one option. Answers are shown after the test.

Question 8 of 10

NCERT Exemplar

Which of the following can undergo a chemical reaction?

A \(\mathrm{MgSO}_4+\mathrm{Fe}\) B \(\mathrm{ZnSO}_4+\mathrm{Fe}\) C \(\mathrm{MgSO}_4+\mathrm{Pb}\) D \(\mathrm{CuSO}_4+\mathrm{Fe}\)

Select one option. Answers are shown after the test.

Question 9 of 10

NCERT Exemplar

Generally, non-metals are not conductors of electricity. Which of the following is a good conductor of electricity?

A Diamond B Graphite C Sulphur D Fullerene

Select one option. Answers are shown after the test.

Question 10 of 10

NCERT Exemplar

Generally, non-metals are not lustrous. Which of the following nonmetals is lustrous?

A Sulphur B Oxygen C Nitrogen D Iodine

Select one option. Answers are shown after the test.

Class 6

Class 7

Class 8

Class 9

Class 10

Class 11

Class 12

Courses

Interesting

Popular

Class 6

Class 7

Class 8

Class 9

Class 10

Class 11

Class 12

Courses

Interesting

Popular

10 Question MCQ (including Assertion)