Question

A car moves with a speed of 30 Kmh' for half an hour,
25 Kmh for one hour and 40 Kmh for two hours. Calculate
the average speed of the car.


Ques 2 .. Write the chemical formula of:-
(a) Nitrogen Oxide
(c) Sodium phosphide
(e) Calcium fluoride
(b) Iron (II) bromide
(d) Calcium Nitride
(f) Silver iodide​

Answer 1

Explanation:

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