Answer Posted / maddy

cng = ch4 methane
petrol= isooctane c8h18
diesel= n hexadecane c16h34

What is the bluish white precipitate formed after adding ammonia solution?

1144

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How is librated iodine estimated?

1135

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How do you express the total hardness of water?

1181

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Do all explosions produce carbon dioxide or carbon monoxide?

1164

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What are hard waters?

1080

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What are the constituents of cements?

1101

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Define what is oxidation and reduction reaction?

1121

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1166

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What is the function of diethyl amine?

1161

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1159

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Mention a few advantages of photoelectric colorimetric determination.

1436

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How is brass solution prepared?

1177

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What are the electrodes used in potentiometer titration?

1065

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explain sour gas?

1114

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What is pka of acid?

1213

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