Chemistry set 1 MCQs

Practice interactive objective questions for this topic. Select an option to instantly verify your answer and read detailed explanations.

Showing 504 questions
Q.301 Which chemical is used as 'Rat Poison'?
A zinc phosphide
B sodium carbonate
C potassium nitrate
D calcium oxide
Discuss / Board
Q.302 What is the primary component of 'Glass'?
A sodium silicate
B silica
C potassium carbonate
D boron oxide
Discuss / Board
Q.303 Which gas is released during the 'Fermentation' of sugar?
A oxygen
B carbon dioxide
C hydrogen
D methane
Discuss / Board
Q.304 Which of the following is used to remove 'Rust Stains' from clothes?
A citric acid
B oxalic acid
C acetic acid
D benzoic acid
Discuss / Board
Q.305 The 'Anomalous Expansion' of water occurs between:
A 0 to 100 degrees c
B 0 to 4 degrees c
C 4 to 10 degrees c
D -4 to 0 degrees c
Discuss / Board
Q.306 Which among the following is a 'Solid Lubricant'?
A silicon
B graphite
C sulfur
D phosphorus
Discuss / Board
Q.307 Which chemical is used as 'Artificial Rain' material?
A silver iodide
B silver nitrate
C sodium chloride
D potassium iodide
Discuss / Board
Q.308 The main constituent of 'Shells' of sea animals is:
A silica
B calcium carbonate
C magnesium carbonate
D calcium sulphate
Discuss / Board
Q.309 Which of the following elements is used in 'Solar Cells'?
A silicon
B copper
C silver
D aluminum
Discuss / Board
Q.310 Which gas is found in maximum quantity in the 'Sun'?
A helium
B hydrogen
C oxygen
D neon
Discuss / Board
Q.311 Which chemical is known as 'Blue Vitriol'?
A magnesium sulphate
B copper sulphate
C ferrous sulphate
D zinc sulphate
Discuss / Board
Q.312 The 'Lustre' of a metal is due to:
A high density
B presence of free electrons
C high polish
D reflection of light from atoms
Discuss / Board
Q.313 What is the common name of 'Deuterium Oxide'?
A soft water
B heavy water
C distilled water
D mineral water
Discuss / Board
Q.314 Which among the following is used as an 'Indelible Ink'?
A silver bromide
B silver nitrate
C silver chloride
D silver iodide
Discuss / Board
Q.315 The chemical used for 'Galvanization' of iron is:
A copper
B zinc
C aluminum
D tin
Discuss / Board
Q.316 Which organic compound was the 'First' to be synthesized in a laboratory?
A methane
B acetic acid
C urea
D ethanol
Discuss / Board
Q.317 Which of the following is used in 'Fire Extinguishers'?
A carbon monoxide
B carbon dioxide
C nitrous oxide
D nitrogen
Discuss / Board
Q.318 What is the common name of 'Trinitrotoluene'?
A tnt
B rdx
C dynamite
D gunpowder
Discuss / Board
Q.319 Which among the following is the 'Softest' form of coal?
A anthracite
B bituminous
C lignite
D peat
Discuss / Board
Q.320 Which element is added to 'Steel' to make it stainless?
A carbon
B chromium
C aluminum
D copper
Discuss / Board
Q.321 Which gas has the odor of 'Rotten Fish'?
A phosphine
B ammonia
C hydrogen sulphide
D carbon monoxide
Discuss / Board
Q.322 Which of the following is a 'Radioactive Liquid'?
A radium
B uranium
C francium
D radon
Discuss / Board
Q.323 What is the common name of 'Potassium Nitrate'?
A saltpetre
B caustic potash
C pearl ash
D borax
Discuss / Board
Q.324 Which of the following is used as 'Fuel' in jet aircrafts?
A petrol
B kerosene
C diesel
D lpg
Discuss / Board
Q.325 Which of the following is the 'Strongest Natural Acid'?
A hydrochloric acid
B nitric acid
C sulphuric acid
D fluoroantimonic acid
Discuss / Board
Q.326 Which element is found in 'Hemoglobin'?
A magnesium
B calcium
C iron
D zinc
Discuss / Board
Q.327 Which among the following is a 'Liquid' at room temperature?
A lithium
B sodium
C gallium
D magnesium
Discuss / Board
Q.328 What is the common name of 'Calcium Sulphate Hemihydrate'?
A gypsum
B plaster of paris
C bleaching powder
D limestone
Discuss / Board
Q.329 Which gas is used in 'Neon Signs'?
A helium
B argon
C neon
D krypton
Discuss / Board
Q.330 Which among the following is used as an 'Acid-Base Indicator' found in kitchen?
A salt
B turmeric
C sugar
D vinegar
Discuss / Board

Master Chemistry set 1 for All Competitive Exams 2026

Practicing Chemistry set 1 MCQs is one of the most effective ways to prepare for competitive examinations in 2026. This topic-wise question bank contains carefully selected multiple-choice questions designed to strengthen conceptual understanding, improve accuracy, and enhance problem-solving speed. Our collection includes beginner, intermediate, and advanced-level questions frequently asked in JKSSB, SSC, Banking, Railway, Police, Defence, State PSC, and various national-level examinations. Every question is structured to reflect real exam patterns and helps candidates become familiar with objective-type assessment formats. Instant answer verification enables students to identify mistakes immediately and learn the correct approach without wasting valuable preparation time. Regular practice of topic-wise MCQs improves retention, reinforces key concepts, and develops confidence required to perform well under exam pressure. Whether you are revising important concepts, preparing for an upcoming recruitment test, or strengthening weak areas, these practice questions provide a reliable platform for continuous improvement. Consistent participation in MCQ-based learning sessions can significantly increase your chances of achieving higher scores and better ranks in competitive examinations.

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