Which among the following is a chemical change ?
Combustion
Corrosion
Both A and B
conduction
Which of the following can exist as solid,liquid or gas?
molecule
compound
Substance
atom
Corrosion is
Useful
Harmful
no use
Aerated drinks contain gas .
Oxygen
Nitrogen
Carbondioxide
Methane
Water and oil are liquids of type
Miscible
Immiscible
soluble
Which among the following have a definite shape,size and volume ?
Solids
Liquids
Gas
Mixture
Which among the following is a good conductor of electricity? .
Copper
Rubber
Plastic
wood
What do we call anything that occupies space and has weight ?
Matter
gas
Which of the following flow from a higher level to a lower level?
matter
Utensils placed on the gas stove gets becomes hot due to
Magnetism
Conductivity
Thermal conductivity