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प्रश्न
Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
पर्याय
chemical
physical
उत्तर
The matter is added or removed during a chemical change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
What role does energy play in initiating a chemical change ?
Classify the following changes as physical or chemical:-boiling
State whether the following is physical or chemical changes.
shaping a piece of glass —
Classify the following as physical or chemical change :
Condensation of steam
Classify the following as a physical or a chemical change.
Burning of coal
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a
Match the items of Column I with the items of Column II
| Column 1 | Column II | ||
| (a) | Large crystals | (i) | Turns lime water into milky |
| (b) | Depositing a layer of zinc on iron | (ii) | Physical change |
| (c) | Souring of milk | (iii) | Rust |
| (d) | Carbon dioxide | (iv) | Sugar candy (Mishri) |
| (e) | Iron oxide | (v) | Chemical change |
| (f) | Dissolving common salt in water | (vi) | Galvanisation |
