🎯 RankerClub is 100% Free — 97 full-length mock tests with an instant all-India rank. Register Free →
RankerClub
Log in Get Started Free
Log in Register Free

DSSSB PRT/TGT Chemistry Questions with Answers & Explanations

15 Chemistry questions from the General Awareness section of DSSSB PRT/TGT, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

Take the General Awareness test → DSSSB PRT/TGT full mocks
Question 1

LPG mainly contains

  1. ACarbon monoxide
  2. BEthane and hydrogen
  3. CButane and propane
  4. DMethane only
Show answer
Answer: (C) Butane and propane
Question 2

Plaster of Paris is prepared from

  1. ABauxite
  2. BLimestone
  3. CHaematite
  4. DGypsum
Show answer
Answer: (D) Gypsum
Question 3

The chemical formula of water is

  1. AH₂O₂
  2. BH₃O
  3. CH₂O
  4. DHO
Show answer
Answer: (C) H₂O
Question 4

The pH of pure water at 25 °C is

  1. A0
  2. B7
  3. C5
  4. D14
Show answer
Answer: (B) 7
Question 5

Baking soda is chemically

  1. ACalcium carbonate
  2. BSodium chloride
  3. CSodium carbonate
  4. DSodium bicarbonate
Show answer
Answer: (D) Sodium bicarbonate
Question 6

Which gas is known as "laughing gas"?

  1. AAmmonia
  2. BNitrogen dioxide
  3. CNitric oxide
  4. DNitrous oxide
Show answer
Answer: (D) Nitrous oxide
Question 7

The lightest element is

  1. ALithium
  2. BHelium
  3. CHydrogen
  4. DOxygen
Show answer
Answer: (C) Hydrogen
Question 8

The gas used in fire extinguishers is

  1. AOxygen
  2. BNitrogen dioxide
  3. CCarbon dioxide
  4. DHydrogen
Show answer
Answer: (C) Carbon dioxide
Question 9

Diamond and graphite are allotropes of

  1. ASulphur
  2. BPhosphorus
  3. CSilicon
  4. DCarbon
Show answer
Answer: (D) Carbon
Question 10

The chemical symbol of gold is

  1. AGo
  2. BGd
  3. CAg
  4. DAu
Show answer
Answer: (D) Au

Ready for the real thing?
Timed General Awareness test · 20 questions · instant rank

Start free test
Question 11

Rusting of iron requires

  1. AOnly water
  2. BOxygen and moisture
  3. CCarbon dioxide only
  4. DOnly oxygen
Show answer
Answer: (B) Oxygen and moisture
Question 12

The hardest natural substance is

  1. AGraphite
  2. BQuartz
  3. CDiamond
  4. DIron
Show answer
Answer: (C) Diamond
Question 13

The chemical symbol of sodium is

  1. ANa
  2. BS
  3. CSo
  4. DSd
Show answer
Answer: (A) Na
Question 14

The chemical formula of common salt is

  1. ANaCl
  2. BNa₂CO₃
  3. CNaOH
  4. DKCl
Show answer
Answer: (A) NaCl
Question 15

Washing soda is chemically

  1. ASodium carbonate
  2. BSodium bicarbonate
  3. CCalcium hydroxide
  4. DSodium hydroxide
Show answer
Answer: (A) Sodium carbonate

These are RankerClub practice questions written in the DSSSB PRT/TGT pattern. They are not official SSC/IBPS/RRB papers.

More General Awareness topics

History 23 Qs Polity 23 Qs Geography 21 Qs Biology 20 Qs Economy 17 Qs Physics 17 Qs Static GK 17 Qs

All DSSSB PRT/TGT topics →