Which of the following is the lightest gas? 1 Nitrogen 2 Hydrogen 3 Ammonia 4 Carbon dioxide

4 Answers  

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Heavy water is 1 Tritium oxide 2 Deuterium oxide 3 Rain water 4 None of these

2 Answers  

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Bagasse, a by-product of sugar manufacturing industry, is used for the production of 1 Nylon 2 Glass 3 Paper 4 Alcohol

2 Answers  

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The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these

1 Answers  

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Glass is made of the mixture of 1 Quartz and mica 2 Sand and salt 3 Sand and silicates 4 None of these

2 Answers   DRDO,

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The group of metals Fe, Co, Ni may be best called as 1 Alkali metals 2 Rare metals 3 Main group metals 4 Transition metals

2 Answers  

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The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate

1 Answers   SSC,

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When was the atomic energy regulatory board ( aerb ) constituted?

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Which are known as non - luminous irregular nebulae?

0 Answers  

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Liquefied Petroleum Gas consists of mainly 1 Methane, ethane and hexane 2 Ethane, hexane and noname 3 Methane, butane and propane 4 Methane, hexane and nonane

2 Answers  

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What are nebulae?

0 Answers  

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The percentage of carbon is the least in 1 Grey cast iron 2 Wrought iron 3 White cast iron 4 Steel

4 Answers  

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