Q1. According to Dalton’s atomic theory, what is the definition of atoms?

Q2. Calculate the molar mass of Nitric Acid HNO3 (atomic mass of H=1, N=14, 0=16)

Q3. Calculate the no of moles for 53g of He.

Q4. How many molecules are present in 34 g of ammonia?

Q6. State the law of conservation of mass? What mass of silver Nitrate will react with 5.85g of sodium chloride to produce 14.35 g of silver chloride and 8.5 g of sodium Nitrate if law of conservation of mass is true?

Q7. What is the work done when a body is moved horizontally along a frictionless surface?

Q8. Define 1 Joule.

Q9. What is the work done on a body moving in a circular path?

Q10. When is work said to be done against the force of gravity?