Superphosphate fertilizer is prepared by the reaction between 1 Calcium phosphate and Sulphuric hydroxide 2 Sodium phosphate and Sodium nitrate 3 Magnesium phosphate and Sodium nitrate 4 Sodium sulphate and Phosphoric acid

2 Answers   Central Police Forces, Odisha Police,

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Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon

1 Answers  

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Which gas is used in cold store ?

4 Answers   Tumkur University,

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What is the Botany?

3 Answers  

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Science is both a process and product-Substantiate

0 Answers   Mahatma Gandhi University,

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what are advantages & disadvantages of science?

62 Answers   Reliance,

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Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization

4 Answers   SSC, TAPL,

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Bell metal is an alloy of 1 Brass an nickel 2 Zinc and copper 3 Tin and copper 4 None of these

1 Answers  

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The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron

21 Answers   CIPET, FCI, HCL, JIPMER, NTSE, PSI Data Systems, RRB, SSC,

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is there any device to convert to mechanical energy into electrical energy

3 Answers  

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Which one is having more weight when compare to diesel to petrole?

1 Answers   BARC, ONGC,

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Which synthetic fiber possesses a ‘drip-dry’ property? 1 Rayon 2 Nylon 3 Silk 4 Terylene

6 Answers  

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