2 years ago, age of A and B was in the ratio 2:3. After

Which of the following is an example of symbiosis?

What is the product of the reaction?

CH₃COOH + CH₃OH → (H⁺, heat)

In a nuclear reactor, one of the following is used as a fuel.

1 mole of carbon atoms = ______ g of carbon atoms

Two capacitors of capacitance 6 µF and 3 µF are connected in series across a battery of constant voltage.

Group number and valency have no relation in

In Bohr’s model of the hydrogen atom, electrons in “stationary” orbits do not emit radiation continuously because:

The primary reason that smoking cigarettes is bad for our health is that cigarette smoke _______.

Chemical equation is balanced according to the law of

Consider the following statements regarding antibiotics

1. They are used to destroy disease-causing bacteria.