Chemistry Questions

Which of the following gases is not generated in a biogas plant?

Atoms of same element having different mass numbers are called__________

Which of the following is also known as Carbolic Acid?

_______________ is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration.

Tooth decay starts when the pH of the mouth is lower than

An unbalanced chemical equation is called a

Atomic number of which of the following elements is greater than that of Chlorine

....... is the property of attracting electrons by the halogen atoms in a molecule