Which of the following is an element?
(A) Diamond
(B) Emerald
(C) Sapphire
(D) Ruby
Answer: A (Graphite and Diamond are allotropes of Carbon)
The catalyst used in the production of ammonia by the Haber’s process is
(A) Platinum
(B) Molybdenum
(C) Iron
(D) Nickel
Answer: B
Which of the following is to be found in the tomato sauce?
(A) Acetic acid
(B) Oxalic acid
(C) Lactic acid
(D) Citric acid
Answer: A
The element found in the surface of the moon is
(A) Titanium
(B) Tin
(C) Tungsten
(D) Tantalum
Answer: A
Which of the following noble gas doesn’t exist in air?
(A) Argon
(B) Redon
(C) Neon
(D) Helium
Answer: A
The element present in the largest amount in rocks and minerals is
(A) Carbon
(B) Hydrogen
(C) Aluminium
(D) Silicon
Answer: D
‘IC chips’ for computers are usually made of
(A) Chromium
(B) Lead
(C) Gold
(D) Silicon
Answer: D
The substance which is frequently used in the photography is
(A) Citric acid
(B) Sulphuric acid
(C) Silver nitrate
(D) Silver bromide
Answer: D
Which of the following is halogen?
(A) Cesium
(B) Ruthenium
(C) Astatine
(D) Radon
Answer: C
Oxidation involves
(A) gain of hydrogen
(B) gain in electrons
(C) combustion
(D) loss of electrons
Answer: D
The gases used in the respiratory activities of sailors (divers) are
(A) Oxygen and neon
(B) Oxygen and argon
(C) Oxygen and helium
(D) Oxygen and nitrogen
Answer: C
Which one of the following fertilizers has more nitrogen content?
(A) Ammonium Phosphate
(B) Potassium Nitrate
(C) Ammonium Nitrate
(D) Urea
Answer: D
The most important ore of aluminum is
(A) Galena
(B) Calcite
(C) Calamine
(D) Bauxite
Answer: D
Which of the following is not known as green house gas?
(A) Hydrogen
(B) Carbon dioxide
(C) Nitrous oxide
(D) Methane
Answer: A
Which synthetic fibre is known as artificial silk?
(A) Rayon
(B) Terylene
(C) Nylon
(D) Cotton
Answer: A
Which among the following is a metalloid?
(A) Arsenic
(B) Iodine
(C) Silver
(D) Tin
Answer: A
Which among the following acid is used to remove ink-spots?
(A) Tartaric acid
(B) Oxalic acid
(C) Hydrochloric acid
(D) Butyric acid
Answer: B
Bleaching powder is obtained by the action of chlorine gas and
(A) Dry CO
(B) Solution of Ca(OH)2
(C) Dry slaked lime
(D) Conc. Solution Ca(OH)2
Answer: C
Which of the following metals remains in liquid form under normal conditions?
(A) Mercury
(B) Zinc
(C) Radium
(D) Uranium
Answer: A
Which one of the following non-metals is not a poor conductor of electricity?
(A) Phosphorus
(B) Bromine
(C) Selenium
(D) Sulphur
Answer: C
Which one of following sets of elements was primarily responsible for the origin of life on the Earth?
(A) Carbon, hydrogen, potassium
(B) Oxygen, calcium, phosphorus
(C) Carbon, hydrogen, nitrogen
(D) Hydrogen, oxygen, sodium
Answer: D
Which of the following contains high content of lead?
(A) Low octane fuel
(B) High octane fuel
(C) Cooking gas
(D) Coal
Answer: B
Which of the following is the lightest gas?
(A) Carbon dioxide
(B) Helium
(C) Nitrogen
(D) Hydrogen
Answer: D
Sodium metal is kept under
(A) Kerosene
(B) Petrol
(C) Alcohol
(D) Water
Answer: A
Which among the following is a solid non-metal?
(A) Iodine
(B) Water
(C) Mercury
(D) Chlorine
Answer: A
Which one of the following is not radioactive?
(A) Astatine
(B) Zirconium
(C) Tritium
(D) Francium
Answer: B
Which of the following is a non-metal that remains liquid at room-temperature?
(A) Phosphorus
(B) Helium
(C) Chlorine
(D) Bromine
Answer: D
Sources: cbtquiz.com, mcqlearn.com, meritnotes.com, thoughtco.com