When a new substance was formed.
What chemical reaction?
Found in Period 1, Group 1
What is Hydrogen?
It is anything that occupies space and has mass.
What is matter?
It is made up of two or more different elements joined chemically.
What is a compound?
A type of substance that turns red litmus paper to blue.
What is alkaline?
Silver and Oxygen in chemical reaction.
What are reactants?
Symbol of Tungsten
What is W?
When liquid turns to solid.
What is freezing?
When metal element bond with non-metal element?
What is ionic compound?
A substance that has sour taste.
What is an acid?
Temperature, Gas production and Change in colors
What are the indicators of chemical reactions?
Arrange the elements in increasing atomic number?
What is periodic table?
Particles are very compact with each other.
What is the particle arrangement of solid?
It is covalent compound
What is both non-metals chemically combined.
Has a pH scale of 1.
What is strong acids?
The use of glowing splint
What is the test for the presence of oxygen?
Name of Mn
What is manganese?
They are forms of precipitation.
What are snows and rain?
The chemical name of P2O5
What is Di phosphorous Pentoxide / Penta oxide
Has a pH scale of 14
What is strong alkali?
Carbon dioxide, oxygen and hydrogen
What are the gases produces in chemical reaction?
Found in Period 6, Group 4
What is Hafnium?
When we remove heat water vapour will turn into liquid.
What is condensation?
The Chemical Formula of potassium iodide
What is KI?
A neutral solution.
What is pH 7?