Search

GK Questions & Answers on Science: Chemistry Terminology (Set 5)

Questions and Answers on Science: Chemistry Terminology (Set 5) consists of 10 MCQ to learn and understand various definitions used in chemical reactions phenomena’s which are important for various competitive examinations like IAS, PSC, SSC, Railway etc.
Jun 24, 2016 16:05 IST
facebook Iconfacebook Iconfacebook Icon

Questions and Answers on Science: Chemistry Terminology (Set 5) consists of 10 MCQ to learn and understand various definitions used in chemical reactions & phenomena’s which are important for various competitive examinations like IAS, PSC, SSC, Railway etc.

1. A reaction that has both oxidation and reduction, is called:

A. Redox reaction

B. Decomposition reaction

C. Synthesis reaction

D. Double displacement reaction

Ans. A

2. The solid that gets dissolved in a solution is called:

A. Solvent

B. Sol

C. Solute

D. None of the above

Ans. C

3. When a solid can change directly into gas, it is called:

A. Boiling

B. Condensation

C. Sublimation

D. Evaporation

Ans. C

4. The measurement of how much molecules on a liquid tend to stick to each other is called:

A. Suspension

B. Synthesis

C. Surface Tension

D. Transition State

Ans. C

5. The elements in group 17 of a periodic table are called:

A. Halogens

B. Zerovalent

C. Transition elements

D. Actinide series

Ans. A

6. When two substances don’t dissolve they are called:

A. Solute

B. Solvent

C. Immiscible

D. Solution

Ans. C

7. A substance that slows down chemical reaction is called:

A. Inhibitor

B. Ketone

C. Kelvin

D. Nuclear reaction

Ans. A

8. The number of moles of solute per kilogram of solvent in a solution is called:

A. Molar mass

B. Molar Volume

C. Molality

D. Molarity

Ans. C

9. When the concentration of acid is determined by neutralising it, is called:

A. Transition state

B. Theoretical yield

C. Titration

D. Thermodynamics

Ans. A

10. The outermost electrons in an atom are called:

A. Valence electrons

B. Valency

C. Neutrons

D. Protons

Ans. A

Click here to study A complete syllabus of Chemistry in detail.