Recent questions tagged estimation of elements

+1 vote

1 answer

0.30 g of a substance gives 0.88 g of carbon dioxide and 0.54 g water. Calculate the percentage of carbon and hydrogen in it.

asked Feb 16, 2019 in Chemistry by kratos

+2 votes

1 answer

0.316 g of an organic compound, after heating with fuming nitric acid and barium nitrate

asked Dec 16, 2018 in Chemistry by kratos

+2 votes

1 answer

0.35 g of an organic substance was Kjeldahlised and the ammonia obtained was passed into 100 ml of N/5 H2SO4.

asked Nov 18, 2018 in Class 11 by kratos

+1 vote

1 answer

0.2004 g of glucose gave on combustion 0.2940 g of CO2 and 0.1202 g of H2O. Find the percentage composition.

asked Oct 8, 2018 in JEE by kratos

+3 votes

1 answer

Which one of the following is true for any diprotic acid H2X

asked Aug 8, 2018 in Class 11 by kratos

+3 votes

1 answer

find the tension in the cord just after release is

asked Jul 11, 2018 in Physics by kratos

+2 votes

1 answer

Which type of organic compounds cannot be Kjeldahlised?

asked Mar 11, 2018 in Chemistry by kratos

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