General Knowledge Question Answer: Chemistry GK Questions and Answers

General Knowledge Chemistry Questions, Chemistry Quiz for Competitive Exams, Important Chemistry MCQs for GK

Q. Which one of the following elements forms highest number of compounds?
1) Oxygen
2) Hydrogen
3) Chlorine
4) Carbon

View Answer

Q. The valency of an element depends upon the -
1) Total number of protons in an atom
2) Mass number of an atom
3) Total number of neutrons in an atom
4) Total number of electrons in the outer most shell of an atom

View Answer

Q. Molecules of which of the following has cage like structure ?
1. Diamond
2. Graphite
3. Fullerenes
Select the correct answer using the code given below :

1) 1, 2 and 3
2) 2 and 3 only
3) 2 only
4) 3 only

View Answer

Q. Temporary hardness in water is due to which one of the following of Calcium and Magnesium?
1) Hydrogencarbonates
2) Carbonates
3) Chiorides
4) Sulphates

View Answer

Q. Which one of the following elements is least reactive with water?
1) Lithium
2) Sodium
3) potassium
4) Cesium

View Answer

Q. Rutherford's alpha-particle scattering experiment was responsible for the discovery of -
1) Electron
2) Proton
3) Nucleus
4) Helium

View Answer

Q. How many orbiting electron does the germanium atom have?
1) 4
2) 41
3) 14
4) 32

View Answer

Q. Intrinsic semiconductor material is charaterized by a valence shell of how many electrons ?
1) 1
2) 6
3) 2
4) 4

View Answer

Q. The diffused impurities with how many valence electrons are called donor atoms?
1) 4
2) 3
3) 0
4) 5

View Answer

Q. Zinc is used to protect iron from corrosion because zinc is -
1) more electropositive than iron
2) cheaper than iron
3) a bluish white metal
4) a good conductor of heat and electricity

View Answer

Career Scope in Interior Design

Interior design is a fun and creative field. It mixes art and practicality to make spaces look good and work well. With more people wanting great places to live and work, the need for skilled interior designers is rising. Let’s look at what it takes to have a career in interior design, including nee →

Commonwealth of Independent States (CIS)

Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →

What is Bitcoin?

In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →

Food Safety and Standards Authority of India (FSSAI)

Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →