Assertion (A): On the earth, hydrogen is mostly found in the form of compounds.
Reason (R): Hydrogen is a highly reactive element.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.

Question

Assertion (A): On the earth, hydrogen is mostly found in the form of compounds.

Reason (R): Hydrogen is a highly reactive element.

Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.

KnowledgeBoat · Accepted Answer

Both A and R are true and R is the correct explanation of A.

Explanation — Hydrogen readily reacts with other elements, especially oxygen, to form compounds like water, and with metals as well. This reactivity is one of the reasons it is mostly found in compounds.

Chemistry

Hydrogen

Answer

Related Questions

Hydrogen is
combustible
non-combustible
supporter of combustion
neither supporter nor combustible

Water gas is a mixture of
carbon monoxide and oxygen
carbon monoxide and hydrogen
hydrogen and oxygen
hydrogen and nitrogen

Assertion (A): Pure hydrogen burns with a pop sound in air.
Reason (R): Hydrogen forms an explosive mixture with air.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.