Take the Quiz - Timed General Knowledge Challenge | GK Mania

1 What element is number 8?

A) Nitrogen

B) Carbon

C) Fluorine

D) Oxygen

2 What burns with a blue flame?

A) Wood

B) Coal

C) Paper

D) Natural

3 What gas do humans exhale primarily?

A) Methane

B) Nitrogen

C) Carbon

D) Oxygen

4 What color is iodine vapor?

A) Purple

B) Green

C) White

D) Yellow

5 What color is bromine liquid?

A) Yellow

B) Green

C) Colorless

D) Red-brown

6 What type of bond holds H₂O together?

A) Van der Waals

B) Metallic

C) Covalent

D) Ionic

7 What element is in all amino acids?

A) Phosphorus

B) Iron

C) Nitrogen

D) Sulfur

8 What is the chemical symbol for calcium?

A) Cl

B) Ca

C) C

D) Cr

9 What element has symbol Cl?

A) Cobalt

B) Carbon

C) Chlorine

D) Chromium

10 What is table sugar's formula?

A) CH₄

B) C₁₂H₂₂O₁₁

C) NaCl

D) C₆H₁₂O₆

11 What element is in all living things?

A) Silver

B) Gold

C) Iron

D) Carbon

12 What element has symbol Ca?

A) Cesium

B) Cadmium

C) Carbon

D) Calcium

13 What instrument family does the xylophone belong to?

A) Brass

B) Percussion

C) String

D) Woodwind

14 What is a Wittig reaction product?

A) An ester

B) An alkene

C) An alcohol

D) An amine

15 What is the lightest element on the periodic table?

A) Lithium

B) Hydrogen

C) Helium

D) Beryllium

Quiz