Which of the following is soluble in water?
salt
chalk
kerosene
diesel
Which of the following liquids cannot be dissolved in water?
Alcohol
Acid
Kerosene
Vinegar
When is a new substance formed?
chemical change
physical change
temporary change
conversion of water to ice
A molecule can be further broken into still smaller units called:
mixtures
compounds
elements
atoms
Which of the following liquids dissolve in water?
Petrol
Diesel
In which of the following, the molecules are very close to each other?
gases
complexes
solids
liquids
Atoms of different kinds combine and form:
Anything that occupies space and has weight is called:
Non-metal
Metal
State
Matter
Which one of the following has a definite volume, but no definite shape?
Liquid
Solid
Gas
Oxygen
Which is a permanent change which cannot be reversed?
Chemical change
Physical change
Temporary change
Conversion of water to ice
