Chemistry Questions

An element A forms an oxide with formula A3O4. What is the valency of element A?

The Chemical formula of Urea is

Name the gas used in preparation of bleaching powder

If we take a small amount of washing soda and add approximately 1 mL of dilute hydrochloric acid to it, what will we observe?

The common name of sodium tetraborate decahydrate is _____.

The Chemical formula of Ammonium dichromate is _____.

Glycol is used to manufacture which of the following ?

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

As feared, (differences into) the families pose a hurdle.