Which of the following is not a compound? A) Sulphur dioxide B) Chalk C) Lead D) Sulphuric acid

Question

Rituraj Tiwari · Answer

Lead (Pb) is not a compound. It is an element present in its pure form so it a single homogeneous identity. Compounds have two or more elements present in the uniform composition in the compound state. Sulphur dioxide (SO2) is formed by two elements namely, sulphur and oxygen. Sulphuric acid (H2So4)is a compound formed by hydrogen, sulphur and oxygen. The chemical formula for chalk is CaCO3 which is made up of carbon, calcium and oxygen. Hence, option C is correct.

Vikas Amritiya · Answer

Lead ( P b ) is not a compound. It is an element present in its pure form so it a single homogeneous identity. Compounds have two or more elements present in the uniform composition in the compound state. Sulphur dioxide ( S O 2 ​ ) is formed by two elements namely, sulphur and oxygen. Sulphuric acid ( H 2 ​ S O 4 ​ ) is a compound formed by hydrogen, sulphur and oxygen. The chemical formula for chalk is CaCO3 which is made up of carbon, calcium and oxygen. Hence, option C is correct.

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Which of the following is not a compound? A) Sulphur dioxide B) Chalk C) Lead D) Sulphuric acid

Which of the following is not a compound?
A)
Sulphur dioxide
B)
Chalk
C)
Lead
D)
Sulphuric acid

Which of the following is not a compound?

Sulphur dioxide

Chalk

Lead

Sulphuric acid

2 Answers

Lead (Pb) is not a compound. It is an element present in its pure form so it a single homogeneous identity. Compounds have two or more elements present in the uniform composition in the compound state.

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Which of the following is not a compound? A) Sulphur dioxide B) Chalk C) Lead D) Sulphuric acid

Which of the following is not a compound?A)Sulphur dioxideB)ChalkC)LeadD)Sulphuric acid

Which of the following is not a compound?

Sulphur dioxide

Chalk

Lead

Sulphuric acid

2 Answers

Lead (Pb) is not a compound. It is an element present in its pure form so it a single homogeneous identity. Compounds have two or more elements present in the uniform composition in the compound state.

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Which of the following is not a compound?
A)
Sulphur dioxide
B)
Chalk
C)
Lead
D)
Sulphuric acid