Timed Challenge - Answer & Submit | GK Mania

1 What element has symbol S?

A) Sulfur

B) Sodium

C) Selenium

D) Silicon

2 What is salt's chemical formula?

A) NaOH

B) CaCl₂

C) KCl

D) NaCl

3 What state of matter has no fixed shape or volume?

A) Gas

B) Solid

C) Plasma

D) Liquid

4 What EU law bans imports linked to deforestation?

A) Green Deal

B) EU Regulation

C) Forest Act

D) Carbon Tax

5 What is the oxidation state of oxygen in water?

A) -1

B) +2

C) +1

D) -2

6 What is PCR in molecular biology?

A) A type of cell

B) Polymerase Chain

C) A chemical element

D) A microscope setting

7 What is a Carnot cycle?

A) An electrical circuit

B) A biological process

C) Ideal thermodynamic cycle

D) A chemical reaction

8 What is a coordination compound?

A) compound with a

B) A binary compound

C) A pure element

D) A simple ionic salt

9 What is an endothermic reaction?

A) reaction that absorbs heat from the

B) A reaction with no energy change

C) A reaction that releases heat

D) A combustion reaction

10 What element is number 8?

A) Nitrogen

B) Carbon

C) Fluorine

D) Oxygen

Quiz

1 What element has symbol S?

2 What is salt's chemical formula?

3 What state of matter has no fixed shape or volume?

4 What EU law bans imports linked to deforestation?

5 What is the oxidation state of oxygen in water?

6 What is PCR in molecular biology?

7 What is a Carnot cycle?

8 What is a coordination compound?

9 What is an endothermic reaction?

10 What element is number 8?

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Quiz

1 What element has symbol S?

2 What is salt's chemical formula?

3 What state of matter has no fixed shape or volume?

4 What EU law bans imports linked to deforestation?

5 What is the oxidation state of oxygen in water?

6 What is PCR in molecular biology?

7 What is a Carnot cycle?

8 What is a coordination compound?

9 What is an endothermic reaction?

10 What element is number 8?

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Quiz Results