The element which is stored in kerosene is:

Important Questions on Materials: Metals and Non-Metals

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 80

Which of the following pairs cannot undergo displacement reaction?

EASY

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 81

Which of the following metals exist in the liquid state at room temperature?

EASY

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 82

The element $\mathrm{Z}$ burns in air to form an oxide. The aqueous solution of this oxide turns blue litmus to red. The element $\mathrm{Z}$ is most likely to be.

EASY

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 83

Which of the following elements is a metalloid?

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 84

Which of the following elements will produce an oxide that will dissolve in water to form an acid?

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 85

The least reactive metal among the following is:

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 86

You are given a solution of iron sulphate. Which of the following do you think cannot displace iron from iron sulphate? 

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 87

When a vessel is exposed to moist air for a long time, then a green coating is formed on its surface. The vessel must be made of: