Chemical Reactions
Periodic table
Matter
Elements and Compounds
Acids and Alkalis
100

When a new substance was formed.

What chemical reaction?

100

Found in Period 1, Group 1

What is Hydrogen?

100

It is anything that occupies space and has mass. 

What is matter?

100

It is made up of two or more different elements joined chemically. 

What is a compound?

100

A type of substance that turns red litmus paper to blue. 

What is alkaline?

200

Silver and Oxygen in chemical reaction.

What are reactants? 

200

Symbol of Tungsten

What is W?


200

When liquid turns to solid. 

What is freezing?

200

When metal element bond with non-metal element?

What is ionic compound?

200

A substance that has sour taste. 

What is an acid?

300

Temperature, Gas production and Change in colors

What are the indicators of chemical reactions?


300

Arrange the elements in increasing atomic number?

What is periodic table?

300

Particles are very compact with each other. 

What is the particle arrangement of solid?


300

It is covalent compound

What is both non-metals chemically combined. 

300

Has a pH scale of 1.

What is strong acids?

400

The use of glowing splint

What is the test for the presence of oxygen?

400

Name of Mn

What is manganese?

400

They are forms of precipitation. 

What are snows and rain?

400

The chemical name of P2O5

What is Di phosphorous Pentoxide / Penta oxide

400

Has a pH scale of 14

What is strong alkali?

500

Carbon dioxide, oxygen and hydrogen

What are the gases produces in chemical reaction?

500

Found in Period 6, Group 4

What is Hafnium?

500

When we remove heat water vapour will turn into liquid. 

What is condensation?


500

The Chemical Formula of potassium iodide

What is KI?

500

A neutral solution. 

What is pH 7?


M
e
n
u