Statement 1: An iron rod contains only iron atoms in it.

Statement 2: A glass of water contains only oxygen atoms in it.

Statement 1 is true, statement 2 is false

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Statement 2 is true, statement 1 is false

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Both statements are true

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Both statements are false

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Solution

The correct option is A Statement 1 is true, statement 2 is false
An iron rod is made up of iron, an element. Hence, it will contain only iron atoms in it.

However, water is a compound. A water molecule $(H_{2} O)$ is constituted by two hydrogen and one oxygen atoms. Hence, it contains both hydrogen as well as oxygen atoms in it.

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Similar questions

Q. Statement 1: An iron rod contains only iron atoms in it.

Statement 2: A glass of water contains only oxygen atoms in it.

Q. Statement-1: An atom having a valency of two can combine with two other atoms, each having a valency of one.

Statement-2: The valency of carbon in carbon dioxide

(C O_{2})

is two.

Observe the following statements and choose the correct option.

Statement 1: Bases are sour in taste.

Statement 2: All bases are alkalis.

(A) Both the statements are true.
(B) Only statement 1 is true.
(C) Both the statements are false.
(D) Only statement 2 is true.

Statement-1: The atomicity of a given compound varies as per its state of matter.
Statement-2: The atomicity of $H_{2} O$ is 4 when it is liquid and 3 when it is ice.

Q. Statement-1: Both

C O_{2}

and

H_{2} O

are molecules.
Statement-2: A molecule always contain atoms of the same elements.

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Statement 1: An iron rod contains only iron atoms in it. Statement 2: A glass of water contains only oxygen atoms in it.

Statement 1: An iron rod contains only iron atoms in it.

Statement 2: A glass of water contains only oxygen atoms in it.