Hardening of oils is caused by

Hydrogen can be produced by heating

Assertion : Sulphuric acid is more viscous than water.
Reason : Concentrated sulphuric acid has a great affinity for water.

Which of the following is used for the extraction of glue from bones?

Carbon monoxide is a neutral oxide of carbon,but it acts as a very strong field ligand and associates with metals to form complex compounds. These complex compounds are very useful and used in metallurgical processes. Water gas is a mixture of

Which of the following reactions produces hydrogen?