- Acidification
- Neutralization
- Ammonification
- Nitrification
- B
Chemistry MCQs
All Chemistry MCQs are included in this section of ETEST Academy’s Website. All Chemistry MCQs are completely solved with detailed answers. All Chemistry MCQs are taken from different Current & Past Papers. Our team updates ETEST Website on daily basis.
Naturally tannic acid is present in:
- Sour Milk
- Vinegar
- Tea
- Soya Sauce
- C
-
Tannic is a weak acid.
Tannic Acid is found in deferent fruits, vegetables, nuts and tea.
Which of the following area around the equator receives the more heat from the sun?
- Arctic
- Polar
- Temperature
- Tropical
- B
Biometric strip is made up of:
- Silver and Iron
- Iron and Steel
- Copper and Brass
- Aluminum and Steel
- C
-
Biometric strip is made up ot Steel and Copper.
Biometric strip is made up of Steel and Brass.
Biometric strip is made up of Copper and Brass.
Which of the following salts is used in plaster of Paris?
- Ammonium Chloride
- Calcium Sulfate
- Sodium Chloride
- Potassium Nitrate
- B
-
Calcium Sulfate is chemical name of Plaster of Paris.
Plaster of Paris is synthesized from gypsum.
Gypsum is heated at 373K to get Calcium Sulfate.
The scale of temperature is made by using two easily obtained temperature called:
- Stable Point
- Fixed Point
- Fixed Point
- Motionless Point
- A
A solution having 3 pH is known as:
- Weak Acid
- Strong Base
- Strong Acid
- Weak Base
- A
-
A solution that have pH greater than 7 is called strong Acid.
A substance that have 3 pH is called strong Base.
The atomic number of Phosphorus (P) is 15. It has ____ elections in its outer most shell.
- 03
- 05
- 07
- 09
- B
Most prominent gas which leads to acidification is _____
- Hydrogen
- Oxygen
- Sulfuric Dioxide
- Nitrogen
- C
-
Sulfuric Dioxide gas usually emitted from the industries.
Sulfuric Dioxide is main cause of Acidic Rain.
Smallest unit of compound is:
- Element
- Atom
- Molecule
- Mole
- C
-
Smallest unit of compound is Atom.