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1 Inorganic Chemistry MCQs

Which of the following compounds is not soluble in nitric acid (HNO₃)?

  • Copper(II) sulfide (CuS)
  • Cadmium sulfide (CdS)
  • Lead(II) sulfide (PbS)
  • Silver chloride (AgCl)
0 Comments
Correct Answer: D. Silver chloride (AgCl)

Explanation:

The solubility of a compound in nitric acid depends on its chemical nature ... Read More Details

2 Environmental Chemistry MCQs

Which anions of soap react with Ca²⁺ and Mg²⁺ ions in hard water to form curd (scum)?

  • Sodium hexadecanoate
  • Sodium octadecanoate
  • Sodium pentadecanoate
  • Both A & B
0 Comments
Correct Answer: D. Both A & B

Explanation:

Soaps are sodium or potassium salts of long-chain fatty acids. When soap is ... Read More Details

3 Organic Chemistry MCQs

What is the hybridization of the nitrogen atom in pyridine?

  • sp
  • sp²
  • sp³
  • It is not hybridized
0 Comments
Correct Answer: B. sp²

Explanation:

Pyridine is a six-membered aromatic heterocyclic compound with one nitrogen atom in the ... Read More Details

4 Organic Chemistry MCQs

What is the IUPAC name of pyridine?

  • Azolo
  • Azine
  • Azolidins
  • Diazine
0 Comments
Correct Answer: B. Azine

Explanation:

Pyridine is a basic nitrogen-containing heterocyclic compound. Its structure consists of a six-membered ... Read More Details

5 English MCQs

An unexpected piece of good fortune is?

  • windfall
  • philanthropy
  • benevolence
  • turnstile
0 Comments
Correct Answer: A. windfall

Explanation: ...

6 English MCQs

Animals who live in herds are?

  • sociable
  • gregarious
  • carnivorous
  • social
0 Comments
Correct Answer: B. gregarious

Explanation: ...

7 English MCQs

Specialised in nose disease is?

  • rhinologist
  • philologist
  • endocrinologist
  • gerontologist
0 Comments
Correct Answer: A. rhinologist

Explanation: ...

8 English MCQs

One who has obstinate and narrow religious views is ___?

  • fanatic
  • theologian
  • bigot
  • egotist
0 Comments
Correct Answer: C. bigot

Explanation: ...

9 English MCQs

Anything written in a letter after it is signed is?

  • corrigendum
  • manuscript
  • postscript
  • unmanageable
0 Comments
Correct Answer: C. postscript

Explanation: ...

10 English MCQs

A person who constantly thinks he is sick is a?

  • hypochondriac
  • misogynist
  • misanthrope
  • hyperpitutiary
0 Comments
Correct Answer: A. hypochondriac

Explanation: ...

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