Question
What should come in place of the question mark (?) in
the following question? (19)¹² × (19)⁴ = (19)ˀSolution
ATQ, Use the law of exponents: 
How many moles of carbon dioxide are present in a gas jar containing 1.501 × 1022 molecules of CO₂?
Inactive Nitrogen and Argon gases are usually used in electric bulbs in order to
What is the work to be done to increase the velocity of a car from 30 km h⁻¹ to 60 km h⁻¹ if the mass of the car is 1500 kg?
Two billiard balls each of mass 0.02 kg moving in opposite directions with speed 5 m s−1 collide and rebound with the same speed. What is t...
The last phase of which disease is known as "lockjaw"?
Which of the following statements about permanent tissues is correct ?
Which one of the following statement regarding the sun is correct?
Metals are good conductors of electricity because –
A fluid flows through a horizontal pipe. The pressure drops by 2000 Pa and speed increases from 2 m/s to 4 m/s. Find density.
The pH of blood is primarily regulated by:
