Timed Challenge - Answer & Submit | GK Mania

1 What gas is produced when baking soda reacts with vinegar?

A) Oxygen

B) Carbon

C) Nitrogen

D) Hydrogen

2 What is an indicator in chemistry?

A) A reaction product

B) substance that changes

C) A type of catalyst

D) A measuring device

3 What is the strongest type of intermolecular force?

A) London dispersion forces

B) Dipole-dipole forces

C) Hydrogen bonding

D) Van der Waals forces

4 What is the difference between a phoneme and an allophone?

A) A phoneme is a variant

B) They are identical

C) An allophone changes meaning

D) phoneme distinguishes

5 What is stainless steel made from?

A) Iron + copper

B) Iron + gold

C) Iron + chromium

D) Iron + silver

6 What is the chemical equation for photosynthesis simplified?

A) N₂ + H₂O → NH₃ + O₂

B) CO₂ + O₂ → H₂O + C₆H₁₂O₆

C) O₂ + C₆H₁₂O₆ → CO₂ + H₂O

D) CO₂ + H₂O → C₆H₁₂O₆ + O₂

7 What element makes up most of air?

A) Nitrogen

B) CO₂

C) Oxygen

D) Argon

8 What element has the chemical symbol K?

A) Calcium

B) Potassium

C) Phosphorus

D) Krypton

9 What is table sugar's formula?

A) CH₄

B) C₁₂H₂₂O₁₁

C) NaCl

D) C₆H₁₂O₆

10 What is dimensional analysis?

A) Counting dimensions

B) Drawing in 3D

C) method for checking

D) Measuring room size

Quiz

1 What gas is produced when baking soda reacts with vinegar?

2 What is an indicator in chemistry?

3 What is the strongest type of intermolecular force?

4 What is the difference between a phoneme and an allophone?

5 What is stainless steel made from?

6 What is the chemical equation for photosynthesis simplified?

7 What element makes up most of air?

8 What element has the chemical symbol K?

9 What is table sugar's formula?

10 What is dimensional analysis?

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Quiz

1 What gas is produced when baking soda reacts with vinegar?

2 What is an indicator in chemistry?

3 What is the strongest type of intermolecular force?

4 What is the difference between a phoneme and an allophone?

5 What is stainless steel made from?

6 What is the chemical equation for photosynthesis simplified?

7 What element makes up most of air?

8 What element has the chemical symbol K?

9 What is table sugar's formula?

10 What is dimensional analysis?

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Quiz Results