Preview (15 questions)
1 Question
10 seconds
Q.

Sodium bicarbonate


Baryta

Baking Soda

2 Question
10 seconds
Q.

Calcium Oxychloride


Bleaching powder

Laundry bleach

3 Question
10 seconds
Q.

Potassium Hydroxide


Caustic Potash

Calomel

4 Question
10 seconds
Q.

Magnesium sulphate heptahydrate


Dolomite

Epsom salt

5 Question
10 seconds
Q.

Solid carbon dioxide


Dry ice 

Freon

6 Question
10 seconds
Q.

Propane-1,2,4-triol


Chloroform

Glycerol

7 Question
10 seconds
Q.

Dinitrogen monoxide


Galena

Laughing gas

8 Question
10 seconds
Q.

Sodium carbonate


Washing soda

Table salt

9 Question
10 seconds
Q.

Acetylsalicylic acid


Oil of wintergreen

Aspirin

10 Question
10 seconds
Q.

Magnesium silicate


Talcum

Gypsum

11 Question
10 seconds
Q.

Potassium nitrate


Rochelle salt

Saltpeter

12 Question
10 seconds
Q.

Deuterium oxide


Quartz

Heavy water

13 Question
10 seconds
Q.

Calcium sulfate


Plaster of Paris

Limestone

14 Question
10 seconds
Q.

Mercury


Lunar caustic

Quicksilver

15 Question
10 seconds
Q.

Calcium carbonate


Slaked lime

Marble