Please select a subject first
Advertisements
Advertisements
Very Short Answer Type Question:
Which material is generally used for making pens? Wood, aluminum, plastic, cotton
Concept: undefined >> undefined
Very Short Answer Type Question:
Is oil soluble in water?
Concept: undefined >> undefined
Advertisements
Very Short Answer Type Question:
Name two objects which are made from opaque materials.
Concept: undefined >> undefined
Very Short Answer Type Question:
What is common between salt and sand?
Concept: undefined >> undefined
Very Short Answer Type Question:
List three liquids which are transparent.
Concept: undefined >> undefined
Short Answer Type Question:
What are the similarities between iron, copper, and aluminium?
Concept: undefined >> undefined
Short Answer Type Question:
Mention some materials which are made up of paper.
Concept: undefined >> undefined
Short Answer Type Question:
Why is water important for our body?
Concept: undefined >> undefined
Short Answer Type Question:
What is the basis for sorting materials?
Concept: undefined >> undefined
Short Answer Type Question:
What is the reason for grouping materials?
Concept: undefined >> undefined
Long Answer Type Question:
‘Grouping of objects helps the shopkeeper.’ Justify the statement.
Concept: undefined >> undefined
Very Short Answer Type Question:
Give two examples of reversible changes.
Concept: undefined >> undefined
Very Short Answer Type Question:
Give two examples of irreversible changes.
Concept: undefined >> undefined
Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?
Concept: undefined >> undefined
Very Short Answer Type Question:
Some common changes are given in the below Table. Which of these changes do you think can be reversed?
| Change | Can be reversed |
| (i) Raw egg to boiled egg | Yes/No |
| (ii) Batter to idli | |
| (iii) Wet clothes to dirty clothes | |
| (iv) Woollen yarn to knitted sweater | |
| (v) Grain to its flour | |
| (vi) Cold milk to hot milk | |
| (vii) straight string to a cold string | |
| (viii) Bud to flower | |
| (ix) Milk to paneer | |
| (x) Cow dung to biogas | |
| (xi) stretched rubber band to its normal size | |
| (xii) Melting of ice-cream |
Concept: undefined >> undefined
Short Answer Type Question:
What is a physical change? Explain with example.
Concept: undefined >> undefined
Short Answer Type Question:
What is a chemical change? Explain with example.
Concept: undefined >> undefined
Short Answer Type Question:
What happens when sugar is heated?
Concept: undefined >> undefined
Long Answer Type Question:
Explain how a metal rim slightly smaller than a wooden wheel can be fixed on it.
Concept: undefined >> undefined
Long Answer Type Question:
How does curd being set? Is this change reversible?
Concept: undefined >> undefined
