Related Practice Questions :

In the preparation of hydrogenated oil the chemical reaction involving hydrogen is called:

(a) hydrogenation

(b) reduction

(c) dehydration

(d) oxidation

To view Explanation, Please buy any of the course from below.
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:


The most abundant isotope of hydrogen is:

(a) tritium

(b) deuterium

(c) protium

(d) para-hydrogen

To view Explanation, Please buy any of the course from below.
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:


Hydrogen is evolved by the action of cold dilute HNO3 on:

(a) Fe

(b) Mg or Mn

(c) Cu

(d) Al

To view Explanation, Please buy any of the course from below.
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:


Hydrogen is not obtained when zinc reacts with:

(a) cold water

(b) dil. H2SO4

(c) dil HCl

(d) hot 20% NaOH

To view Explanation, Please buy any of the course from below.
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:


The metal that does not displace hydrogen from an acid is:

(a) Hg

(b) Zn

(c) Al

(d) Ca

To view Explanation, Please buy any of the course from below.
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level: