IGCSE /Grade 4
Science MCQ Based On Change in forms of matter
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IGCSE Grade 4 Science Change in forms of matter
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The molecules are loosely packed and are far away from each other in gases
It does not melt to form liquid
When burn t it does not melt.
Gases condense to form liquid
Vapor in the utensils condense when they come in contact of cool glass lid
Liquid form exists in all the three form
It does not have measurable mass and can not be contained in a volume.
The candle provides heat and it breaks down the wax
It is a exothermic process also
Some solids sublime to form vapor without melting
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