The gas used in fire extinguishers is
- AHydrogen
- BNitrogen dioxide
- COxygen
- DCarbon dioxide
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Answer: (D) Carbon dioxide
SSC Stenographer Chemistry Questions with Answers & Explanations
20 Chemistry questions from the General Awareness section of SSC Stenographer, 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.
The chemical symbol of iron is
- AI
- BFe
- CIr
- DIn
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Answer: (B) Fe
Diamond and graphite are allotropes of
- ASilicon
- BSulphur
- CPhosphorus
- DCarbon
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Answer: (D) Carbon
Lemon juice contains
- AAcetic acid
- BFormic acid
- COxalic acid
- DCitric acid
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Answer: (D) Citric acid
The chemical formula of common salt is
- AKCl
- BNaOH
- CNa₂CO₃
- DNaCl
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Answer: (D) NaCl
The most abundant gas in the Earth's atmosphere is
- ACarbon dioxide
- BArgon
- CNitrogen
- DOxygen
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Answer: (C) Nitrogen
Washing soda is chemically
- ACalcium hydroxide
- BSodium hydroxide
- CSodium carbonate
- DSodium bicarbonate
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Answer: (C) Sodium carbonate
The chemical symbol of gold is
- AAu
- BGo
- CGd
- DAg
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Answer: (A) Au
Plaster of Paris is prepared from
- ABauxite
- BHaematite
- CLimestone
- DGypsum
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Answer: (D) Gypsum
The lightest element is
- AOxygen
- BHelium
- CHydrogen
- DLithium
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Answer: (C) Hydrogen
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Timed General Awareness test · 50 questions · instant rank
The pH of pure water at 25 °C is
- A14
- B7
- C0
- D5
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Answer: (B) 7
The chemical symbol of iron is
- AIn
- BIr
- CI
- DFe
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Answer: (D) Fe
LPG mainly contains
- AMethane only
- BCarbon monoxide
- CButane and propane
- DEthane and hydrogen
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Answer: (C) Butane and propane
The chemical formula of water is
- AH₂O₂
- BH₃O
- CHO
- DH₂O
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Answer: (D) H₂O
Galvanisation is the coating of iron with
- ACopper
- BZinc
- CTin
- DChromium
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Answer: (B) Zinc
The atomic number of an element is the number of
- AElectrons and neutrons
- BNeutrons in its nucleus
- CProtons in its nucleus
- DNucleons
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Answer: (C) Protons in its nucleus
Diamond and graphite are allotropes of
- ACarbon
- BSulphur
- CPhosphorus
- DSilicon
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Answer: (A) Carbon
Baking soda is chemically
- ASodium bicarbonate
- BCalcium carbonate
- CSodium chloride
- DSodium carbonate
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Answer: (A) Sodium bicarbonate
The chemical formula of water is
- AHO
- BH₂O₂
- CH₂O
- DH₃O
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Answer: (C) H₂O
Vinegar contains
- AAcetic acid
- BLactic acid
- CTartaric acid
- DCitric acid
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Answer: (A) Acetic acid
These are RankerClub practice questions written in the SSC Stenographer pattern. They are not official SSC/IBPS/RRB papers.
