Answer Posted / swapnil

Lead- upto .07 %
Iron- 0.02 %
Copper- 65-75%
Zinc- Balanaced

What is mineral water?

1078

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Why is ammonia-ammonium chloride buffer added?

1175

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What are the uses of glacial acetic acid?

1120

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Why is acetic acid added?

1171

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what is difference b/w "regio selectivity" & "sterio selectivity"

2443

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What is kentchin? Is it real?

1056

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What is the monomer of polyethene?

1173

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How is brass solution prepared?

1123

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However ozone is heavier than oxygen still ozone is up there in sky why?

1073

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Why titration in which hcl and h2so4 is use?

1075

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What is the role of stannous chloride?

1381

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What is the role of silver sulphate?

1129

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Write the chemical formula for epsom salts?

1087

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What is weak acid?

968

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What is the reaction that occurring between fas and potassium dichromate?

1286

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