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(4) Caustic soda

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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Atoms are composed of 1 Electrons only 2 Protons only 3 Electrons and protons 4 Electrons and nuclei

1 Answers  

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Which of the following is used as a lubricant? 1 Graphite 2 Silica 3 Diamond 4 Iron oxide

3 Answers   Honda,

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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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Which of the following is not a compound? 1 Silica 2 Red lead 3 Slaked lime 4 Black lead

1 Answers  

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Please can someone tell me, how many times during a 12 hour period, do the hands of a clock face opposite each other? I believe its 11. Also, would this be the same, no matter WHAT the starting time? i.e. if the 12 hour period started at 6 o clock, would it still be 11 times? Many thanks for your help.

0 Answers   Logica CMG,

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The correct sequence of various regions I absorption spectrum is 1 Visible, ultraviolet, microwave, infra red 2 Infra red, gamma rays, ultraviolet, microwave 3 Ultra violet, visible, infra red, microwave 4 None of these

1 Answers   CPSE,

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what are the advantages and disadvantages of empirical knowledge?

0 Answers  

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Of the various forms of carbon, the one which is used for adsorption purpose, is 1 Diamond 2 Graphite 3 Coke 4 Wood charcoal

1 Answers  

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The average salinity of sea water is 1 2% 2 2.5% 3 3% 4 3.5%

1 Answers  

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first aid to person affected with electrical shock

0 Answers  

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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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