Metals and Non-metals Interactive Quiz | Grade 7 Science | Concept of Maths

Question 1

1. The property of metals by which they can be beaten into thin sheets is called:

A) Ductility

B) Malleability

C) Sonorousness

D) Conductivity

Answer

Correct Answer: B

Question 2

2. Which of the following metals is found in a liquid state at room temperature?

A) Iron

B) Zinc

C) Mercury

D) Aluminium

Answer

Correct Answer: C

Question 3

3. The gas produced when most metals react with dilute acids is \( H_2 \). How is its presence usually tested?

A) It turns limewater milky.

B) It burns with a 'pop' sound.

C) It extinguishes a burning matchstick silently.

D) It turns red litmus blue.

Answer

Correct Answer: B

Question 4

4. Which non-metal is commonly used in batteries and is a good conductor of electricity?

A) Sulphur

B) Phosphorus

C) Graphite

D) Nitrogen

Answer

Correct Answer: C

Question 5

5. Sodium is a highly reactive metal. To prevent accidental fires, where is it safely stored?

A) Under water

B) In open air

C) Under kerosene

D) In an acidic solution

Answer

Correct Answer: C

Question 6

6. Generally, non-metals react with oxygen to form oxides that are:

A) Acidic in nature

B) Basic in nature

C) Neutral in nature

D) Highly reactive with water

Answer

Correct Answer: A

Question 7

7. A purple-coloured solution of a non-metal is applied on wounds as an antiseptic. Which non-metal is this?

A) Bromine

B) Chlorine

C) Iodine

D) Sulphur

Answer

Correct Answer: C

Question 8

8. Which of the following represents a displacement reaction?

A) Iron replacing Copper from Copper sulphate solution

B) Copper replacing Iron from Iron sulphate solution

C) Silver replacing Zinc from Zinc sulphate solution

D) Gold replacing Copper from Copper sulphate solution

Answer

Correct Answer: A

Question 9

9. The property of metals that produces a ringing sound when struck hard is known as:

A) Ductility

B) Sonorous

C) Lustre

D) Conductivity

Answer

Correct Answer: B

Question 10

10. When a copper vessel is exposed to moist air for a long time, it acquires a dull green coating. This coating is a mixture of:

A) Copper oxide and Copper sulphate

B) Copper hydroxide and Copper carbonate

C) Copper chloride and Copper oxide

D) Copper nitrate and Copper hydroxide

Answer

Correct Answer: B

Question 11

11. Phosphorus is a very reactive non-metal that catches fire if exposed to air. How is it preserved?

A) By storing it in Kerosene

B) By storing it in Alcohol

C) By storing it in Water

D) By storing it in a Vacuum

Answer

Correct Answer: C

Question 12

12. Which of the following metals is commonly used in the process of galvanization to protect iron from rusting?

A) Copper

B) Aluminium

C) Zinc

D) Silver

Answer

Correct Answer: C

Question 13

13. Out of the following, which is the most reactive metal?

A) Potassium

B) Gold

C) Silver

D) Iron

Answer

Correct Answer: A

Question 14

14. Non-metals are generally poor conductors of heat and electricity. However, which non-metal is an exception and acts as a good conductor of electricity?

A) Sulphur

B) Diamond

C) Graphite

D) Bromine

Answer

Correct Answer: C

Question 15

15. Which of the following is a liquid non-metal at room temperature?

A) Chlorine

B) Mercury

C) Iodine

D) Bromine

Answer

Correct Answer: D

Mastering Metals & Non-metals | Grade 7 Science Quiz | Concept of Maths

Mastering Metals & Non-metals | Grade 7 Science Quiz | Concept of Maths

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5. Sodium is a highly reactive metal. To prevent accidental fires, where is it safely stored?

6. Generally, non-metals react with oxygen to form oxides that are:

7. A purple-coloured solution of a non-metal is applied on wounds as an antiseptic. Which non-metal is this?

8. Which of the following represents a displacement reaction?

9. The property of metals that produces a ringing sound when struck hard is known as:

10. When a copper vessel is exposed to moist air for a long time, it acquires a dull green coating. This coating is a mixture of:

11. Phosphorus is a very reactive non-metal that catches fire if exposed to air. How is it preserved?

12. Which of the following metals is commonly used in the process of galvanization to protect iron from rusting?

13. Out of the following, which is the most reactive metal?

14. Non-metals are generally poor conductors of heat and electricity. However, which non-metal is an exception and acts as a good conductor of electricity?

15. Which of the following is a liquid non-metal at room temperature?

Metals and Non-metals Interactive Quiz | Grade 7 Science | Concept of Maths

1. The property of metals by which they can be beaten into thin sheets is called:

2. Which of the following metals is found in a liquid state at room temperature?

3. The gas produced when most metals react with dilute acids is \( H_2 \). How is its presence usually tested?

4. Which non-metal is commonly used in batteries and is a good conductor of electricity?

Mastering Metals & Non-metals | Grade 7 Science Quiz | Concept of Maths

Mastering Metals & Non-metals | Grade 7 Science Quiz | Concept of Maths

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5. Sodium is a highly reactive metal. To prevent accidental fires, where is it safely stored?

6. Generally, non-metals react with oxygen to form oxides that are:

7. A purple-coloured solution of a non-metal is applied on wounds as an antiseptic. Which non-metal is this?

8. Which of the following represents a displacement reaction?

9. The property of metals that produces a ringing sound when struck hard is known as:

10. When a copper vessel is exposed to moist air for a long time, it acquires a dull green coating. This coating is a mixture of:

11. Phosphorus is a very reactive non-metal that catches fire if exposed to air. How is it preserved?

12. Which of the following metals is commonly used in the process of galvanization to protect iron from rusting?

13. Out of the following, which is the most reactive metal?

14. Non-metals are generally poor conductors of heat and electricity. However, which non-metal is an exception and acts as a good conductor of electricity?

15. Which of the following is a liquid non-metal at room temperature?