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The ore of which of the following metals can be concentrated
by hydraulic washing?
1 Tin
2 Sodium
3 Iron
4 Manganese
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List and explain two instances of Correlation Science with Life Situation
0 Answers Mahatma Gandhi University,
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meron po bang minerals ang astoroids po ba?
Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
Using an applied force of a Newton across one meter is known as a:
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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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Which of the following elements is obtained from sea weeds? 1 Argon 2 Sulpur 3 Vanadium 4 Iodine
Biological Sciences 
