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Question 1/30
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Isomer of ethyl alcohol is –
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Question 2/30
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Which of the following metal has maximum electrical conductivity?
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Question 3/30
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Which is called philosopher’s wool?
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Question 4/30
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Why are Metals good conductor of heat than insulator?
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Question 5/30
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Which is natural source of gamma-rays?
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Question 6/30
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Which chemical used as a ‘fixer’ in photography?
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Question 7/30
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Which rocks is transformed into marble?
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Question 8/30
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Which unicellular algae are used as source of oxygen in space research?
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Question 9/30
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Which metal is extracted by electrolytic reaction method?
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Question 10/30
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Which of the following metal is found in Free State in nature
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Question 11/30
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Why is tetracycline is used?
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Question 12/30
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Which of the following mixture cause the explosion of TNT (Trinitrotoluene)
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Question 13/30
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Which metal is used to Galvanize iron?
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Question 14/30
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The two elements which are used to absorb the neutrons in nuclear fission during chain reaction
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Question 15/30
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Helium gas is filled in the balloon instead of Hydrogen because its–
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Question 16/30
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Spirit in Contact with body gives cool sensation because it is
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Question 17/30
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Who was the first to explain hydrogen spectrum?
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Question 18/30
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Mortar is a mixture of water, sand –
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Question 19/30
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What is the meaning of Reader in waste water treatment process?
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Question 20/30
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Aluminium surface are often ‘anodized’. This means deposition of a layer of which oxide?
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Question 21/30
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Which material is very hard and very ductile?
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Question 22/30
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Which one of the following does not present in the Stainless Steel?
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Question 23/30
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Which colour of heat radiation represents the highest temperature?
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Question 24/30
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Nuclear Power Reactor act on the Principle of–
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Question 25/30
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Purification of petroleum is carried out by which method?
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Question 26/30
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An element X forms an oxide X03.
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Question 27/30
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Bhopal Gas Tragedy was caused by –
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Question 28/30
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Which is purest form of iron?
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Question 29/30
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Which metal is non toxic in nature?
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Question 30/30
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Enzyme which coagulate the milk into curd–