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in the blanks . (4 marks ) (a ) Since displacement has both magnitude and direction ,displacement is a _____ quantity.
(b) The rate of change of velocity is _______ .
(c) The unit of acceleration in FPS system is _______ .
(d)Velocity is a _____ quantity.
2.Answer All questions. (9 marks)
(a)If 10 N force acts upon a 2 kg mass ,find the acceleration produced.
(b) Find the average velocity of sprinter who won the gold
-10 Chemistry Time Allowed (1:30) Hours
I.Write TRUE or FALSE for the following statement . (4 marks)
(a) Mealting of a ice is a heat absorbing process.
(b) Mercury (II) oxide is an element .
(c) Oxygen is very soluble in water.
(d) Different samples of same compound contain the different elements in fixed problem.
II.Fill in the blanks with the suitable word or words. (4 marks)
(a) Condensation is the reverse process of _____ .
(b) All metals except _____ are solids.
(c) A solution is a _____ mixture.
(d) Total energy and _____ are always constant in our universe .