Which of the following characteristics is not-shown by hydrogen? 1 It burns in air to form water 2 It supports combustion 3 It combines with almost all the metals forming hydrides 4 None of these

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Where did the largest reflector telescope situated?

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Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver

5 Answers  

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Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these

3 Answers  

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need for proper earthing

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The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon

2 Answers   SSC,

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The country helped in arihant’s built?

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Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine

1 Answers  

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Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these

1 Answers  

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What would happen had there been no chlorophyll in the green leaves?

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What is the morphology ?

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Detergents used for cleaning clothes and utensils contain 1 Nitrates 2 Bicarbonates 3 Sulphonates 4 Bismutnates

2 Answers  

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