HSC Science (General) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Chemistry

Give the reactions supporting basic nature of ammonia.

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is white crystalline solid and used for inorganic qualitative analysis.

Write the reaction that explains its formation.

Give the reactions supporting basic nature of ammonia.

Give the reactions supporting basic nature of ammonia. 

Give the test that is used to detect borate radical is qualitative analysis.

Ammonia is a good complexing agent. Explain.

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is white crystalline solid and used for inorganic qualitative analysis.

Write the reaction that explains its formation.

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is white crystalline solid and used for inorganic qualitative analysis. 

Write the reaction that explains borax formation.

Give the test that is used to detect borate radical is qualitative analysis.

Ammonia is a good complexing agent. Explain.

Give the test that is used to detect borate radical is qualitative analysis.

Ammonia is a good complexing agent. Explain.

Give the reactions supporting basic nature of ammonia.

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is white crystalline solid and used for inorganic qualitative analysis.

Write the reaction that explains its formation.

What is meant by the molar volume of a gas?

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Calculate the number of moles of hydrogen in 0.448 litre of hydrogen gas at STP.

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A student used a carbon pencil to write his homework. The mass of this was found to be 5 mg. With the help of this calculate the number of moles of carbon in his homework writing.

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A student used a carbon pencil to write his homework. The mass of this was found to be 5 mg. With the help of this calculate The number of carbon atoms in 12 mg of his homework writing

In two moles of acetaldehyde \[\ce{CH3CHO}\] calculate the number of moles of carbon.

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In two moles of acetaldehyde (CH₃CHO) calculate the number of moles of hydrogen