Chemistry is the study of matter and how it changes. It is a vast and complex subject, but it is also one of the most important sciences. Chemistry is used to understand everything from the smallest atoms to the largest stars.

Here you are given Multiple Choice Questions (MCQs) on the Chemistrythe topic of General Knowledge. First of all, you have to read all the GK questions related to Chemistry and click on one correct answer for each question. If your answer is correct, you will be displayed with a ✅ sign, but if your answer is wrong, a ❌ sign will be displayed, so that you can identify the correct answer you have given.

Q. What is the chemical used in making artificial rain called?

 ◉ silver iodide

✅ Correct

 ◉ carbon dioxide

❌ Incorrect

 ◉ Nitrogen

❌ Incorrect

 ◉ Lead (lead)

❌ Incorrect

Q. What is silk fiber chemically?

 ◉ Protein

❌ Incorrect

 ◉ Fat

❌ Incorrect

 ◉ cellulose

✅ Correct

 ◉ Carbohydrate

❌ Incorrect

Q. What is the chemical used to kill algae in water tanks called?

 ◉ nitric acid

❌ Incorrect

 ◉ Leukemia

❌ Incorrect

 ◉ Copper sulphate

✅ Correct

 ◉ Anemia

❌ Incorrect

Q. Which chemical used in arts and crafts can cause anemia and leukemia?

 ◉ aldrin

❌ Incorrect

 ◉ dioxin

❌ Incorrect

 ◉ Phthalate

✅ Correct

 ◉ Benzene

❌ Incorrect

Q. Which is the chemical used in developing photographic films?

 ◉ hypo

✅ Correct

 ◉ ethanol

❌ Incorrect

 ◉ organic

❌ Incorrect

 ◉ jaylene

❌ Incorrect

Q. Which is the chemical used for cloud seeding for artificial rain?

 ◉ Carbon

❌ Incorrect

 ◉ methane

❌ Incorrect

 ◉ silver nitrate

✅ Correct

 ◉ hydrogen

❌ Incorrect

Q. Which chemical is used in photographic plate?

 ◉ Silver chloride

❌ Incorrect

 ◉ silver nitrate

❌ Incorrect

 ◉ Silver bromide

✅ Correct

 ◉ Borum chloride

❌ Incorrect

Q. The effect or reaction produced by two or more chemicals is less than the sum of the effects or reactions produced by the chemicals separately. what's this called

 ◉ Reconciliation

❌ Incorrect

 ◉ Resistance

❌ Incorrect

 ◉ resistance

✅ Correct

 ◉ Deadlock

❌ Incorrect

Q. What is the common name of the compound with the formula NaOH?

 ◉ caustic soda

✅ Correct

 ◉ Hydroxide

❌ Incorrect

 ◉ sodium carbonate

❌ Incorrect

 ◉ nitric acid

❌ Incorrect

Q. Whose center is the mitochondrion?

 ◉ Brain

❌ Incorrect

 ◉ Tissue

❌ Incorrect

 ◉ Cell respiration

✅ Correct

 ◉ Eye

❌ Incorrect

Q. Chromosomes contain-

 ◉ DNA

❌ Incorrect

 ◉ calcium

❌ Incorrect

 ◉ protein

❌ Incorrect

 ◉ DNA and proteins

✅ Correct

Q. What is the dimensional formula of the universal gravitational constant?

 ◉ M-1 L3 T2

✅ Correct

 ◉ M-1 L3 T-2

❌ Incorrect

 ◉ Ml3 t-2

❌ Incorrect

 ◉ M-2

❌ Incorrect

Q. D.N. a. Who discovered the binary structure of?

 ◉ Erwin chauraf

❌ Incorrect

 ◉ Mauris wilkins

❌ Incorrect

 ◉ Roslind franklin

❌ Incorrect

 ◉ Watson and Crick

✅ Correct

Q. What is the chemical formula of magnetite?

 ◉ Fe3o5

❌ Incorrect

 ◉ Fe3o6

❌ Incorrect

 ◉ Fe3o7

❌ Incorrect

 ◉ Fe3o4

✅ Correct

Q. What is the chemical formula of cryolite?

 ◉ 3naf aif3

✅ Correct

 ◉ Na2co3

❌ Incorrect

 ◉ 10h2o

❌ Incorrect

 ◉ None of them

❌ Incorrect


Visit link below to learn more about the topic:

Chemistry: Chemical Compound Names, Formulas and Branches 🔗

  Last update :  Mon 5 Jun 2023
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  Post Category :  Science Quizzes