What is the sign of mercuric oxide ?

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Answer :

: The signal of mercuric oxide is Hg2O
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What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

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A compound, C4H6, reacts with bromine and forms a white precipitate with ammoniacal silver nitrate solution. It reacts with dilute H2SO4 in the presence of mercuric sulfate to form 2-butanone. The compound could be (a) 1-Butyne (b) 1-Butene (c) 2-Butyne (d) 2-Butene

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How many tablets ,each containing 8.75 grains of mercuric chloride will be required to make one pint of 0.2% solution?

Description : How many tablets ,each containing 8.75 grains of mercuric chloride will be required to make one pint of 0.2% solution?

Last Answer : 4.375 gr. in 1 fl ounce = 1% w/v solution 4.375 gr X 0.2 = 0.875 gr required to get 1 fl.oz 0.2% 0.875 gr x 20 = 17.5 gr required to get 20 fl.oz 0.2 % 17.5 gr/8.75 gr = 2 tablets

How many tablets, each containing 8.75 grains of mercuric chloride will be required to make one quart of 0.05% solution?

Description : How many tablets, each containing 8.75 grains of mercuric chloride will be required to make one quart of 0.05% solution?

Last Answer : 4.375 gr. in 1 fl ounce = 1% w/v solution 4.375 gr X 0.05 = 0.2187 gr required to get 1 fl.oz 0.05% 0.2187 gr x 40 = 8.748 gr≈ 8.75 grain required to get 40 fl.oz 0.05 % 8.75 gr/8.75 gr = 1 tablets Therefore, one tablet is required to prepare one quart of 0.05% solution.