- Exothermic Reaction
- Endothermic Reaction
- Elimination Reaction
- Thermite Reaction
- b
-
A reaction in which heat energy is released is called Exothermic Reaction.
The removal or leaving of atom or group of atoms of molecule is called Elimination Reaction.
A chemical process which changes vegetable oil into fat is called:
- Combustion
- Hydrogenation
- Hydration
- Neutralization
- b
-
Hydrogenation process converts vegetable oil into solid or semi solid fats at a very high temperature.
In acids, blue litmus paper turns into:
- Yellow
- Red
- Green
- Orange
- b
-
If blue litmus paper placed in base, It will remain same.
If Red litmus paper placed in base, it will changed to Blue.
Which among the following are known as food factories of plants?
- Stems
- Roots
- Leaves
- Roots
- c
-
Plants prepare food for plant through leaves by photosynthesis.
Photosynthesis is a process in which light energy converts into chemical energy.
Which one among the following surfaces gives diffused reflection?
- Polished Metal Surface
- Calm Surface of Lake
- Mirror
- Roadway
- d
-
Diffused Reflection is also called Irregular Reflection.
Reflection from Roadway, Desert Sand and Disturbed Water are called Diffused Reflection. In Short, Reflection from rough or harsh surface is called Diffused Reflection.
Reflection from a smooth surface like a Mirror, Glass or Polished Surface is called Regular Reflection.
Saleem is younger than Abid by 7 years. If the ratio of their ages is 7:9, find the age of Saleem.
- 24.3
- 24.5
- 12.5
- 14.5
- c
A Selena had 204 stamps in her collection. She bought 47 more stamps. If she gave 38 stamps to her brother, how many stamps does Selena have now?
- 119
- 195
- 213
- 299
- c
-
Initially Collection of Salena=204
Purchase=47
Total Stam Collection=204+47=251
She gave stamps to her brother=38
Remaining Stamps=251-38=213
What is active cell in MS-Excel ______?
- Rectangular box
- Pointer
- Nearing point of view
- None of the above
- a
A ___ is a collection of predefined design elements and color schemes.
- Feature
- Hyperlink
- Theme
- None of these
- c
MS Word is related to ______
- Microsoft
- Hard ware
- Internet
- None of these
- a