Advertisements
Advertisements
Question
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 |
Solution
| Column 1 | Column II | ||
| (a) | Large crystals | (iv) | Sugar candy (Mishri) |
| (b) | Depositing a layer of zinc on iron | (vi) | Galvanisation |
| (c) | Souring of milk | (v) | Chemical change |
| (d) | Carbon dioxide | (i) | Turns lime water into milky |
| (e) | Iron oxide | (iii) | Rust |
| (f) | Dissolving common salt in water | (ii) | Physical change |
APPEARS IN
RELATED QUESTIONS
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
State the differences between a physical change and a chemical change.
Fill in the blank.
Growing of a seedling into a plant is _______ change.
Sublimation is classified as a physical change. Why ?
Given reason:
Cutting of a cloth piece is a physical change, though it cannot be reversed.
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Periodic and non-periodic change
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Select the chemical changes from the following list of changes
The carbon cycle.
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
Give two examples for each of the following cases:
Physical changes are reversible.
