Rainav prepared two mixtures P and Q as shown here.
Identify the methods that can be used to separate the components of mixtures P and Q.
ans is d
Kimaya switched on her battery-operated car. The conversion of energy that takes place when this car is switched on, can most likely be represented as ________.
AKinetic energy → Mechanical energy → Chemical energy
BChemical energy → Kinetic energy
CLight energy → Kinetic energy → Sound energy
DLight energy → Sound and Kinetic energy
Why no solution?
Study the given Venn diagram and identify
the gases (X, Y and Z) present in our atmosphere.
Select the correct option regarding characteristics P, Q and R of these gases.
AP - Supports life on Earth
BR - Do not support combustion
CQ - Form compounds that are components of acid rain
DAll of these
Some commonly occurring changes around
us are classified in the given table.
|I.||Melting of ice
|III.||Stitching a shirt
from a fabric
baking soda in
|V.||Baking of cake||✗||✗|
|VI.||Curdling of milk||✗||✓|
Which of the above changes are classified incorrectly?
AI, II, III and V only
BII, IV and VI only
CI, III and V only
DII, III, IV and VI only
A glass ball initially rolling at a constant speed, moves up a smooth slope as shown in the figure. Which of the following options is true about its energy as it is rolling up the slope?