Is Matter Around Us Pure

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Question

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Question 1 :

Name the most abundant element in earth’s crust?

1. Oxygen
2. CO₂
3. Nitrogen
4. Hydrogen
Answer
25943

Question 2 :

A Substance can be beaten into sheets and beaten into wires. What will you call it?

1. It is both sonorous and ductile
2. It is both brittle and lustrous
3. It is both malleable and brittle
4. It is both Malleable and ductile
Answer
25944

Question 3 :

What are the major constituents of universe?

1. Hydrogen and oxygen
2. Nitrogen and oxygen
3. Helium and Nitrogen
4. Hydrogen and Helium
Answer
25945

Question 4 :

Which of the following element has the characteristics of both metals and non – metals?

1. Nitrogen
2. Phosphorus
3. Arsenic
4. Carbon
Answer
25946

Question 5 :

Which of the following has the smell of rotten egg?

1. Hydrogen Sulphide
2. Calcium Sulphide
3. Iron Sulphide
4. Copper Sulphide
Answer
25947