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प्रश्न
Higher Order Thinking Skills.
What changes take place in the movement and arrangement of particles during heating process?
उत्तर
- The movement of its particles increases.
- Bonds between particles break when a substance melts evaporates. This causes the volume of matter to increase.
- The closeness, arrangement and motion of the particles in a substance change when it changes state. But the size of the particles remain in same size, (i.e.) the mass of matter does not change.
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संबंधित प्रश्न
Very Short Answer Type Question:
Give two examples of slow changes.
Very Short Answer Type Question:
Does the size of the paper change after making an aeroplane by folding it or by cutting it?
Very Short Answer Type Question:
Why does a blacksmith heat the metal rim to fix it on a cart wheel?
Very Short Answer Type Question:
Classify the following into slow and fast changes:
Change of season
Very Short Answer Type Question:
Classify the following into slow and fast changes:
Making curd from milk by adding lemon juice.
Very Short Answer Type Question:
Classify the following as slow or fast change:
Bearing of heart
Very Short Answer Type Question:
Classify the following as slow or fast change:
Burning of wax
Very Short Answer Type Question:
Classify the following as slow or fast change:
Melting of ice cream
Very Short Answer Type Question:
Classify the following as slow or fast change:
Change of seasons
Very Short Answer Type Question:
Classify the following as slow or fast change:
Weathering of rocks
Very Short Answer Type Question:
Classify the following as slow or fast change:
Curding of milk
Assertion: Hydrogen is an element.
Reason: Hydrogen cannot be broken down into anything simpler.
How the iron blade is fixed into a wooden handle in tools used to dig the soil?
What happens to matter during heating?
Which gas is produced when vinegar reacts with baking soda?
Nitrogen gas turns lime water milky.
