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Chemistry GK Questions and Answers

2 years ago 3.3K Views

Chemistry GK is an important branch of General Science. As you know we see various changes around us dues to chemical reactions. Through the study of chemistry GK, we learn how matter is formed, and the properties of the substance. In our daily, we use many things which are made by chemical reactions. Under the General Science section, chemistry, Biology, and Physics GK Questions are asked in competitive exams. 

Chemistry GK Questions

Here, I am sharing Chemistry GK Questions and Answers under the General Science section for those learners who are preparing for any competitive exams like SSC, RRB, RAS and other government exams. These types of Chemistry GK Questions are generally asked in competitive exams. If you want to crack the General Science section in competitive exams, you should keep a command of Chemistry GK Questions.

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Students can quickly get free General Knowledge Mock Test and Current Affairs Mock Test on this platform for online exam practice to obtain good marks in competitive exams.

Chemistry GK Questions and Answers

  Q :  

In which of the following particles particle-wave dual nature is found?

(A) Electron

(B) Meijon

(C) Proton

(D) Neutron

Correct Answer : A

Q :  

J.J. The model of action proposed by Thomson is commonly called …… model.

(A) Cream and Cake

(B) Plum and Pudding

(C) Plum and Cake

(D) Cream and Pudding

Correct Answer : B

Q :  

When an atom of an element has more than one mass number, then it is called a?

(A) Isobar

(B) Isotone

(C) Isotope

(D) Isomer

Correct Answer : C

Q :  

Which of the following is not a characteristic of transition metals?

(A) tendency to gain electrons

(B) low electronegativity

(C) low ionization energy

(D) tensile

Correct Answer : A

Q :  

What are the two atoms bonded to in an oxygen molecule?

(A) One Bond

(B) Double Bonds

(C) Three Bonds

(D) Four Bonds

Correct Answer : B

Q :  

22. Nucleons are considered to be a mixture of which components?

(A) Mason

(B) Quark

(C) Lepton

(D) Photon

Correct Answer : B
Explanation :

Two types of particles may be considered as main constituents of atomic nuclei, namely the protons (p) and the neutrons (n), jointly called the nucleons.


Q :  

The element absorbed in both cation and anion forms is:

(A) Sulfur

(B) Nitrogen

(C) Calcium

(D) Phosphorus

Correct Answer : B
Explanation :

Nitrogen is absorbed in both cationic (NH4+) and anionic (NO3-) form. Sulphur, phosphorus and boron are absorbed only in anionic forms.


Q :  

What is the number of neutrons in an atom of hydrogen?

(A) 1

(B) 2

(C) 0

(D) 3

Correct Answer : C

Q :  

S.T.P. But how many atoms are there in one mole of a gas?

(A) 6.023 × 1023

(B) 6.023×1020

(C) 6.023 × 10-23

(D) 6.023 x 10-20

Correct Answer : A

Q :  

When a bond is formed between two atoms, the energy of the system:

(A) increases

(B) decreases

(C) remains the same

(D) keeps on increasing or decreasing

Correct Answer : C

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