A.
Oxalic acid
B.
Benzene
C.
Methane
D.
Urea
Answer:
Option D: Urea
2. Which element has the highest electron affinity?
A.
Bromine
B.
Chlorine
C.
Fluorine
D.
Iodine
Answer:
Option B: Chlorine
3. Graphite is used in a nuclear reactor as?
A.
Control rod
B.
Coolant
C.
Moderator
D.
Fuel
Answer:
Option C: Moderator
4. Quartz is made of _________ and __________.
A.
Carbon, Silicon
B.
Carbon, Tin
C.
Oxygen, Tin
D.
Oxygen, Silicon
Answer:
Option D: Oxygen, Silicon
5. Which law states that at a constant temperature, the volume of a given amount of gas varies inversely with its pressure?
A.
Boyle’s Law
B.
Gay-Lussac’s law
C.
Charles’ law
D.
Van der Waals’ law
Answer:
Option A: Boyle’s Law
6. A phenomenon in which two or more crystalline substances show the same crystalline structure is called?
A.
Isotropy
B.
Isomorphism
C.
Isotonicity
D.
Isoelectronicity
Answer:
Option B: Isomorphism
7. Which is the most abundant gas in Earth’s atmosphere?
A.
Oxygen
B.
Carbon dioxide
C.
Nitrogen
D.
Argon
Answer:
Option C: Nitrogen
8. The process of applying a protective zinc coating to steel or iron, to prevent rusting is called?
A.
Tinning
B.
Hydrogenation
C.
Crystallization
D.
Galvanization
Answer:
Option D: Galvanization
9. Which of the following is not a noble gas?
A.
Neon
B.
Krypton
C.
Hydrogen
D.
Argon
Answer:
Option C: Hydrogen
10. Which is the formula of Aluminium hydroxide?
A.
Al(OH)3
B.
AlH3
C.
Al2H3
D.
AlOH
Answer:
Option A: Al(OH)3
11. Which is the most common aluminium ore?
A.
Hematite
B.
Chalcopyrite
C.
Calamine
D.
Bauxite
Answer:
Option D: Bauxite
12. Which is the chemical symbol of the element Potassium?
A.
P
B.
Po
C.
K
D.
T
Answer:
Option C: K
13. Which vitamin is also known as ascorbic acid?
A.
Vitamin A
B.
Vitamin C
C.
Vitamin D
D.
Vitamin E
Answer:
Option B: Vitamin C
14. The elements in group 17 of the periodic table are called?
A.
Halogens
B.
Noble gases
C.
Actinides
D.
Metalloids
Answer:
Option A: Halogens
15. What is the color of liquid oxygen?
A.
Pink
B.
Yellow
C.
Blue
D.
Green
Answer:
Option C: Blue
16. Which of the following is a mixture?
A.
Air
B.
Alloy
C.
Both A and B
D.
None of the options
Answer:
Option C: Both A and B
17. Which is used as a catalyst for the hydrogenation of oils?
A.
Nickel
B.
Cobalt
C.
Manganese
D.
Chromium
Answer:
Option A: Nickel
18. What is the value of the ideal gas constant R?
A.
5.314 JK− 1 mol− 1
B.
6.314 JK− 1 mol− 1
C.
7.314 JK− 1 mol− 1
D.
8.314 JK− 1 mol− 1
Answer:
Option D: 8.314 JK− 1 mol− 1
19. Which is the sweetest naturally occurring sugar?
A.
Glucose
B.
Fructose
C.
Maltose
D.
Sucrose
Answer:
Option B: Fructose
20. Which kind of chemical bond involves the mutual sharing of electron pairs between atoms?
A.
Ionic Bond
B.
Covalent Bond
C.
Hydrogen Bond
D.
Metallic bond
Answer:
Option B: Covalent Bond