Chemistry Questions

When milk becomes sour, ___ is produced.

What is the number of atoms constituting a molecule known as?

Which of the following is a correct pair according to increasing atomic number from left to right?

Given in the options are sets of particular characteristics of elements and how they vary across the period and down the group in the following format:

Characteristic of an element  -  Across the period  -  Down the group

Curd contains mainly ___ acid.

Which of the following gases makes bread or cake rise making them soft and spongy?

Which of the following classifications is based on atomic numbers?

The smell that we get when LPG cylinder leaks is due to the presence of