Give reasons.
(a) Water is not used to control fires involving electrical equipment.
(b) LPG is a better domestic fuel than wood.
(c) Paper by itself catches fire easily whereas a piece of paper wrapped
around an aluminium pipe does not.
Fill in the blanks.
(a) Burning of wood and coal causes of air.
(b) A liquid fuel, used in homes is .
(c) Fuel must be heated to its before it starts
burning.
(d) Fire produced by oil cannot be controlled by .
The following Table shows the total power shortage in India from
1991–1997. Show the data in the form of a graph. Plot shortage percentage
for the years on the Y-axis and the year on the X-axis.
S. No. Year Shortage (%)
1 1991 7.9
2 1992 7.8
3 1993 8.3
4 1994 7.4
5 1995 7.1
6 1996 9.2
7 1997 11.5
+91 94284 01196
© Copyright 2025. Doubtora. All Rights Reserved
