Chemistry Questions

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.

Which of the following has pH value 7?

....... is displaced when zinc is added to the solution of copper sulphate

There are ............ metalloids in the modern periodic table.

What is nature of pH of Milk?

Which was not produced by volcanic outgassing?

Covalent Bond is also called _________.

Name the gas used in preparation of bleaching powder