- Stable Point
- Fixed Point
- Fixed Point
- Motionless Point
- A
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.
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.
Is solids molecules are _____
- Tightly Packed
- Moving around freely
- Move around freely with little force of attraction
- Ionized
- A
-
Solids are more tightly packed then liquid and gases.
مختلف مائعات کے مکسچر کے اجزاء کو الگ الگ کرنا کیا کہلاتا ہے؟
- عمل تقطیر
- اکسیڈیشن
- عمل تصعید
- عمل تبخیر
- A
-
عملِ تقطیر کو ڈِسٹیلیشن کہتے ہیں۔
اس طریقہ کار میں مختلف مائعات کو مختلف درجہ حرارت پر گرم کر کے بخارات میں تبدیل کر کے الگ کیا جاتا ہے۔
What is unit of Charges in SI?
- Columb
- Power
- Current
- Electron
- a
The chemical name of laughing gas is:
- Nitrous Oxide
- Nitric Acid
- Nitrogen Pentoxide
- None of these
- a
-
Its chemical compound of an Oxide and Nitrogen.
Its Molecular Formula is N2O.
Its colorless and non-flammable gas.
If the ratio of solute to solvent is low, the solution is said to be:
- Dilute
- Saturated
- Concentrated
- Supersaturated
- a