- Back Draft
- Flashover
- Ventilation
- All of the given
- b
Everyday Science MCQs
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Columb is a unit of:
- Electric Charge
- Work
- Power
- Kg
- A
Milk contains ……..% water.
- 60%
- 67%
- 77%
- 87%
- d
-
Milk consist of 87% water and 13% Solids.
Sun consist of………Hydrogen.
- 70%
- 60%
- 50%
- 45%
- a
-
Helium 28%
Carbon, Nitrogen & Oxygen 1.5%
Other Gases 0.5%
Which converts Chemical Energy into Electrical Energy?
- Battery
- Generator
- Fan
- Electric Pump
- a
-
Generator converts Mechanical Energy into Electrical Energy.
Which of the following is fastest planet?
- Neptune
- Pluto
- Mercury
- Venus
- c
-
Mercury speed is 29 miles per second.
Mercury completed its one round around the sun in 88 days.
Ice melt into water at which temperature?
- 0C
- 40C
- 60C
- 100C
- a
-
The melting point of Ice is 32F.
Freezing Point of Mercury is:
- -39C
- 39C
- 49C
- 59C
- a
-
The symbol of Mercury is Hg.
The Freezing Pint of Mercury is -38.83C.
Boiling Point of Mercury is 356.7 C.
What is effect of Global Warming?
- Carbon Dioxide
- Oxygen
- Hydrogen
- None of these
- a
-
Global Warming is increasing the surface of Earth.
It increases Carbon Dioxide, Methane and other Greenhouse Gases in the atmosphere.
مائیکرو سکوپ کس لئے استمعال ہوتی ہے؟
- بڑی چیزوں کو دیکھنے کیلئے
- چھوٹی چیزوں کو دیکھنے کیلئے
- درمیانی چیزوں کو دیکھنے کیلئے
- ان میں سے کوئی نہیں
- b
-
مائیکروسکوپ کو جانسن نے 1590 میں ایجاد کیا۔