Which metal is used for Galvanisation of iron?
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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,
Which of the following roofs provide better protection against heat? 1 Cement slab 2 Asbestos sheets 3 Reinforced concrete 4 None of these
What are the aluminium alloys that you supply?
there are 3 sources of resistance in a parallel circuit's. 2 of them are rated at 20 ohms, the other at 10 ohms. what is the circuit's total resistance?
Science is both a process and product-Substantiate
0 Answers Mahatma Gandhi University,
Which are the two reactors at the indira gandhi centre for atomic research ( igcar )?
what is center of gravity?
Which of the following is the lightest gas? 1 Nitrogen 2 Hydrogen 3 Ammonia 4 Carbon dioxide
Which of the following metals react with nitrogen at room temperature to form nitride? 1 Sodium 2 Potassium 3 Magnesium 4 None of these
Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine
how the Adams bridge was formed?
Rayon is chemically 1 Glucose 2 Amylase 3 Cellulose 4 Pectin
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