- Lactometer
- Thermometer
- Rector Scale
- None of these
- a
-
Lactometer was invented by Louis Heusner on 8th May 1877.
Everyday Science MCQs
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What is Chemical name of Phosphorus?
- L
- O
- P
- R
- c
-
The atomic number of Phosphorus is 15.
The molecular weight is 30.97.
Phosphorus was fist time made by Henning Brand in 1669.
Milk provides body……..
- Potassium
- Calcium
- Vitamin D
- All of the above
- d
-
Milk provides Potassium, Calcium and Vitamin D.
Bulb Filament is made of:
- Mercury
- Tungsten
- Bronz
- None of these
- b
-
Bulb was invented by Thomas Edison in 1879.
Baking Soda produced following to soften better:
- O2
- N
- CO2
- None of these
- c
How many Layers of Atmosphere?
- 3
- 4
- 5
- 6
- C
-
Troposphere
Stratosphere
Mesosphere
Thermosphere
Ionosphere (Secondary Layer of Thermosphere)
Exosphere
The conversion of Solid to Liquid state is called:
- Boiling
- Freezing
- Melting
- None of these
- c
-
Liquid to Gas is called Vaporization.
Liquid to Solid is called Freezing.
Lightest Gas is:
- Hydrogen
- Oxygen
- Carbon Dioxide
- Nitrogen
- a
-
Radon is the heaviest Gas.
Heating to Milk at certain temperature for killing bacteria is called:
- Pasteurization
- Purification
- Both
- None of these
- a
-
The Pasteurization process is occurred less then 100 C.
Which Acid is used in Batteries?
- Sulphuric Acid
- Hydrocholoric Acid
- Nitric Acid
- None of these
- a
-
H2SO4
Jabir Bin Hayyan discovered the Sulphuric Acid.
Jabir Bin Hayyan was a Muslim Scientist.
