Among the following the hardest metal is
1). Gold
2). Iron
3). Platinum
4). Tungsten
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1. The coloured discharge tubes foradvertisement mainly contain
3. When a spoon is to be electroplated with nickel the spoon is
6. Iodine can be separated from a mixture of Iodine and Potassium Chloride by
8. Which of the following elements has the lowest melting point?
10. Question 16.6:Which forces are involved in holding the drugs to the active site of enzymes?