How are the compounds formed?

Answer in one sentence: How are the sperms formed?

In glycolysis first the 3-C compounds formed during...and last during....

Name the following : The compound formed by the reaction between aluminium oxide and sodium hydroxide.

How are chemical bonds formed between two atoms ?

How are bile pigments formed?

Name the type of adsorption in which compound is formed.

What are nucleotides? OR How are nucleotides formed?

What is the requirement for writing molecular formulae of different compounds? How are the molecular formulae of the compounds written?

If ethyl bromide is refluxed with ether and magnesium then which of the following compound is formed ?