write true or false::-
1.oxygen gas is used for hydrogeneration of vegetable oils
2.s^2-is the symbol of sulphide ion since it loses 2 electrons from its valence cell.
3.gallium is a liquid metal at room temparature
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Answered by
2
1.false hydrogen is used for hydrogenation
2.false
3.true( gallium become liquid at slightly higher temp than room temp)
2.false
3.true( gallium become liquid at slightly higher temp than room temp)
Answered by
1
1. No, nickel is used
2 Sulphide ion gains two electrons that is why it gains negative charge.
3. Yes, it melts on hand when kept in room temperature.
Hope it helps you.
2 Sulphide ion gains two electrons that is why it gains negative charge.
3. Yes, it melts on hand when kept in room temperature.
Hope it helps you.
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