Do you really know the chemistry of the things you use?

Take this test and find out what things are made of

MEL Science
Created by MEL Science (User Generated Content*)User Generated Content is not posted by anyone affiliated with, or on behalf of, Playbuzz.com.
On Jun 13, 2017
1 / 10

Chalk, marble and lime do not differ in their chemical composition. What substance do they consist of?

2 / 10

In an anhydrous state, this salt is colorless and used as an air drier. Its water solution has a blue tint and is widely used as an antiseptic (it is poisonous for most living organisms), and also as a pesticide.

3 / 10

Dry ice is the solid state of this compound

4 / 10

Crystal mainly consists of silicon dioxide SiO₂, but to add hardness to the glass mass the oxides of these two elements are added

5 / 10

In the manufacture of cast iron and steel, molten iron absorbs a small amount of this non-metal

6 / 10

This substance is the main component of anti-freeze

7 / 10

An electric current heats up a tungsten filament which becomes white-hot and emits light in light bulbs. What substance provides the glow of the light-emitting diode?

8 / 10

This polymer is present in velvet and cellophane

9 / 10

Sulfur increases the hardness and elasticity of viscous rubber. What other component increases its durability?

10 / 10

In the engine of the rocket of a first stage instead of dangerous and expensive kerosene it is possible to use this light and cheap weight metal, oxidizing it water.

10
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