Question

Take the measurement of floor of your room and find the value of length and breadth in cm. Suppose the floor is to be paved with square tiles of side 0.5 cm, then find:
a). Area of floor in cm²
b). Area of tiles in cm²
c). Number of tiles required for floor
d). Cost of tiles at the rate ₹ 10 per cm²​

Answer 1

Answer:

Give the symbol of these ions and write their charges

Symbol with charge

name.

sulphate

Nitrate

Oxide

chloride

magnesium

copper