Timed Challenge - Answer & Submit | GK Mania

1 What causes a star to become a red giant?

A) Rapid rotation

B) Collision with another star

C) Magnetic field changes

D) Hydrogen fuel exhaustion in

2 What color is iodine vapor?

A) Purple

B) Green

C) White

D) Yellow

3 What is the inclusion-exclusion principle?

A) Only counting unique items

B) Adding all elements

C) Multiplying probabilities

D) counting technique that

4 What law states that the total pressure equals the sum of partial pressures?

A) Boyle's Law

B) Henry's Law

C) Dalton's Law

D) Raoult's Law

5 What toxic metal was historically used in paint and gasoline?

A) Zinc

B) Copper

C) Lead

D) Aluminum

6 What is the formula for calcium carbonate?

A) CaO

B) CaCO₃

C) CaCl₂

D) Ca₂CO₃

7 What common household liquid has a pH of about 2.5?

A) Bleach

B) Vinegar

C) Milk

D) Water

8 What is the symbol for oxygen?

A) O

B) Ox

C) Og

D) Om

9 What is the difference between catabolic and anabolic reactions?

A) Anabolic breaks down molecules

B) Catabolic reactions break down

C) Catabolic builds molecules

D) They are identical

10 What gas puts out fires?

A) N₂

B) H₂

C) O₂

D) CO₂

Quiz

1 What causes a star to become a red giant?

2 What color is iodine vapor?

3 What is the inclusion-exclusion principle?

4 What law states that the total pressure equals the sum of partial pressures?

5 What toxic metal was historically used in paint and gasoline?

6 What is the formula for calcium carbonate?

7 What common household liquid has a pH of about 2.5?

8 What is the symbol for oxygen?

9 What is the difference between catabolic and anabolic reactions?

10 What gas puts out fires?

Navigator

Quiz

1 What causes a star to become a red giant?

2 What color is iodine vapor?

3 What is the inclusion-exclusion principle?

4 What law states that the total pressure equals the sum of partial pressures?

5 What toxic metal was historically used in paint and gasoline?

6 What is the formula for calcium carbonate?

7 What common household liquid has a pH of about 2.5?

8 What is the symbol for oxygen?

9 What is the difference between catabolic and anabolic reactions?

10 What gas puts out fires?

Navigator

Quiz Results