General Knowledge Question Answer: Chemistry GK Questions and Answers

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

Q. The term pH denotes the -
1) Temperature of solution
2) Vapour pressure of solution
3) Acidity or Basicity of solution
4) Ionic strength of solution

View Answer

Q. DDT is the name of a chemical that can be used as a/an -
1) Antiseptic
2) Insecticide
3) Antibiotic
4) Fertilizer

View Answer

Q. Ethanol containing 5% water is known as -
1) Absolute alcohol
2) Dilute alcohol
3) Power alcohol
4) Rectified spirit

View Answer

Q. The percentage of nitrogen present in ammonia sulphate is -
1) 18%
2) 21%
3) 25%
4) 30.5%

View Answer

Q. Stains Of rust on clothes can be removed by -
1) H2O2
2) Oxalic acid
3) Petrol
4) Alcohol

View Answer

Q. Transboundary pollution (or) Acid rain is caused by:
1) Nitrogen oxide and sulphur dioxide
2) Carbon monoxide
3) Carbon dioxide
4) Hydrocarbon

View Answer

Q. Which of the following is the most dangerous pollutant?
1) Carbon dioxide
2) Sulphur dioxide
3) Carbon monoxide
4) Nitrous oxide

View Answer

Q. Which of the following is an acid?
1) H2O
2) Na2CO3
3) HZSO4
4) NaCl

View Answer

Q. The expansion of D.D.T is
1) Dichloro Diphenyl Trichloroethane
2) Dichloro Diamine Trichloroethane
3) Dichloro Diphenyl Tetrachloroethane
4) None of these

View Answer

Q. In an intrinsic semiconductor, the number of free electrons
1) Equals the number of holes
2) Is less than the umber of holes
3) Is greater than the number of holes
4) Impossible to say

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 →