Answer / sankar

iron is not radioactive because it does not emit neutrons.
this is because of the strong nuclei force between the
protons and neutrons.

Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

2 Answers   AFMC,

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what is center of gravity?

0 Answers  

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What vendors does Ameber Recommed?

1 Answers  

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If today is Saturday what day will it be from 500 days?

7 Answers   eClerx,

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Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine

2 Answers  

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Isotopes are separated by 1 Filtration 2 Sublimation 3 Distillation 4 Crystallization

10 Answers   Bank Exams, dpdc, MPSC, NIFT, State Bank Of India SBI,

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How many naval staffs can occupy arihant?

0 Answers  

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In laundry soaps, a material called ‘filler’ is used. Which of the following is a ‘filler? 1 Talc 2 Sodium silicate 3 Soda ash 4 Sodium phosphate

1 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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What are comets?

0 Answers  

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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 substances exhibit the property of sublimation? 1 Ice 2 Wax 3 Camphor 4 Ethyl alcohol

1 Answers   Prerana,

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