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SSC MTS Chemistry Questions with Answers & Explanations

18 Chemistry questions from the Session II: General Awareness section of SSC MTS, 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.

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Question 1

The chemical formula of common salt is

  1. ANaOH
  2. BNa₂CO₃
  3. CKCl
  4. DNaCl
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Answer: (D) NaCl
Question 2

The main ore of aluminium is

  1. AGalena
  2. BHaematite
  3. CCinnabar
  4. DBauxite
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Answer: (D) Bauxite
Question 3

Lemon juice contains

  1. AFormic acid
  2. BAcetic acid
  3. COxalic acid
  4. DCitric acid
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Answer: (D) Citric acid
Question 4

Baking soda is chemically

  1. ASodium bicarbonate
  2. BSodium carbonate
  3. CSodium chloride
  4. DCalcium carbonate
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Answer: (A) Sodium bicarbonate
Question 5

Which gas is known as "laughing gas"?

  1. AAmmonia
  2. BNitrous oxide
  3. CNitric oxide
  4. DNitrogen dioxide
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Answer: (B) Nitrous oxide
Question 6

The chemical symbol of sodium is

  1. ASd
  2. BNa
  3. CS
  4. DSo
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Answer: (B) Na
Question 7

The gas used in fire extinguishers is

  1. ACarbon dioxide
  2. BHydrogen
  3. COxygen
  4. DNitrogen dioxide
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Answer: (A) Carbon dioxide
Question 8

A solution with pH less than 7 is

  1. ASaline
  2. BNeutral
  3. CBasic
  4. DAcidic
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Answer: (D) Acidic
Question 9

Galvanisation is the coating of iron with

  1. AChromium
  2. BCopper
  3. CTin
  4. DZinc
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Answer: (D) Zinc
Question 10

The atomic number of an element is the number of

  1. AElectrons and neutrons
  2. BProtons in its nucleus
  3. CNeutrons in its nucleus
  4. DNucleons
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Answer: (B) Protons in its nucleus

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Question 11

The chemical symbol of gold is

  1. AAu
  2. BGd
  3. CGo
  4. DAg
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Answer: (A) Au
Question 12

Rusting of iron requires

  1. AOnly oxygen
  2. BOnly water
  3. CCarbon dioxide only
  4. DOxygen and moisture
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Answer: (D) Oxygen and moisture
Question 13

Plaster of Paris is prepared from

  1. AGypsum
  2. BBauxite
  3. CHaematite
  4. DLimestone
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Answer: (A) Gypsum
Question 14

Lemon juice contains

  1. ACitric acid
  2. BAcetic acid
  3. COxalic acid
  4. DFormic acid
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Answer: (A) Citric acid
Question 15

The chemical symbol of iron is

  1. AIr
  2. BI
  3. CFe
  4. DIn
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Answer: (C) Fe
Question 16

The hardest natural substance is

  1. AQuartz
  2. BGraphite
  3. CIron
  4. DDiamond
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Answer: (D) Diamond
Question 17

Vinegar contains

  1. AAcetic acid
  2. BCitric acid
  3. CLactic acid
  4. DTartaric acid
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Answer: (A) Acetic acid
Question 18

Washing soda is chemically

  1. ACalcium hydroxide
  2. BSodium carbonate
  3. CSodium hydroxide
  4. DSodium bicarbonate
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Answer: (B) Sodium carbonate

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

More Session II: General Awareness topics

Polity 25 Qs History 22 Qs Static GK 21 Qs Geography 21 Qs Physics 19 Qs Biology 19 Qs Economy 17 Qs

All SSC MTS topics →