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Home⇒ Everyday Science GK⇒ General knowledge
Note:- You can add tough questions into your favourite list for second revision. |
Q21 ⇒ Washing soda is the common name for Sodium carbonate [other wrong options] [Discuss in forum] Calcium bicarbonate Sodium bicarbonate Calcium carbonate |
Q22 ⇒ Air is a/an mixture [other wrong options] [Discuss in forum] compound element electrolyte |
Q23 ⇒ One kilometre is equal to how many miles? 0.62 [other wrong options] [Discuss in forum] 0.84 0.5 1.6 |
Q24 ⇒ Which of the following are the ingredients of gun metal? Copper, Tin [other wrong options] [Discuss in forum] Iron, Zinc, Titanium Iron, tin Iron, Brass, Tin |
Q25 ⇒ Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material? Thorium [other wrong options] [Discuss in forum] Radium Plutonium Radan |
Q26 ⇒ Wood is the main raw material for the manufacture of paper [other wrong options] [Discuss in forum] paint ink gun powder |
Q27 ⇒ Brass gets discoloured in air because of the presence of which of the following gases in air? Hydrogen sulphide [other wrong options] [Discuss in forum] Oxygen Carbon dioxide Nitrogen |
Q28 ⇒ What is the unit for measuring the amplitude of a sound? Decibel [other wrong options] [Discuss in forum] Coulomb Hum Cycles |
Q29 ⇒ Which of the following is used as a moderator in nuclear reactor? Graphite [other wrong options] [Discuss in forum] Thorium Radium Ordinary water |
Q30 ⇒ Potassium nitrate is used in fertiliser [other wrong options] [Discuss in forum] medicine salt glass |
Q31 ⇒ Which is/are the important raw material(s) required in cement industry? Limestone and Clay [other wrong options] [Discuss in forum] Gypsum and Clay Clay Limestone |
Q32 ⇒ Among the various allotropes of carbon, diamond is the hardest, graphite is the softest [other wrong options] [Discuss in forum] coke is the hardest, graphite is the softest diamond is the hardest, coke is the softest diamond is the hardest, lamp black is the softest |
Q33 ⇒ Which of the following is the lightest metal? Lithium [other wrong options] [Discuss in forum] Mercury Lead Silver |
Q34 ⇒ The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is Helium [other wrong options] [Discuss in forum] Argon Xenon Krypton |
Q35 ⇒ Nautical mile is a unit of distance used in navigation [other wrong options] [Discuss in forum] road mile astronomy measuring the boundaries of a nation |
Q36 ⇒ Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products? Refrigerator [other wrong options] [Discuss in forum] Television Tube light Cooking gas |
Q37 ⇒ In an atomic nucleus, neutrons and protons are held together by exchange forces [other wrong options] [Discuss in forum] gravitational forces coulombic forces magnetic forces |
Q38 ⇒ Glass is made of the mixture of sand and silicates [other wrong options] [Discuss in forum] quartz and mica salt and quartz sand and salt |
Q39 ⇒ From which mineral is radium obtained? Pitchblende [other wrong options] [Discuss in forum] Rutile Haematite Limestone |
Q40 ⇒ Quartz crystals normally used in quartz clocks etc. is chemically silicon dioxide [other wrong options] [Discuss in forum] germanium oxide a mixture of germanium oxide and silicon dioxide sodium silicate |
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