Circle the odd one out. Give reason for your choice
- ✓Inflating a balloon
- Bpopping a balloon
- Cfading of wall paint
- Dburning of kerosene
Answer: A.
View full solution →Question types
T2 CH3 Changes Around Us question types
56 questions across 7 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
56
Questions
7
Question groups
5
Question types
01
MCQ
14 Q→02Fill in the blanks.
10 Q→03TRUE & FALSE
5 Q→04Answer In One word.
17 Q→05Match The Following
1 Q→06[ 2 Marks Questions ]
6 Q→07[ 5 Marks Questions ]
3 Q→Sample Questions
T2 CH3 Changes Around Us questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Circle the odd one out. Give reason for your choice
- ✓Rotting of an egg
- Bcondensation of water vapour
- Ctrimming of hair
- DRipening of fruit
Answer: A.
View full solution →Circle the odd one out. Give reason for your choice
- AGlowing of a bulb
- Blighting of a Candle
- ✓breaking of a coffee mug
- Dcurdling of milk
Answer: C.
View full solution →Circle the odd one out. Give reason for your choice
- AGrowth of a child
- BBlinking of eye
- ✓Rusting
- DGermination of a seed
Answer: C.
View full solution →Air pollution leading to acid rain is a
- Areversible change
- Bfast change
- Cnatural change
- ✓human made change
Answer: D.
View full solution →Bursting of fire crackers is a ______ change whereas germination of seeds is a ______ change.
Plants convert carbon-di-oxide and water into starch. This is an example of ______ change.
Changes that are harmful to us are ______.
Boiling of egg results in ______ change.
Magnet attracts iron needle.This is ______ change.
In a solution of salt in water, water is the solute
Digestion of food is a physical change.
Change of new moon to full moon is human made.
Burning of match stick is a reversible change.
Growing of teeth in an infant is slow change
What type of changes is associated with the germination of a seed? Explain
Can deforestation be considered a desirable change? Explain.
What happen when paper is burnt? Explain.
What is a solution?
Define a slow change.
What happens when cane sugar is strongly heated? Mention any two changes in it.
When a candle is lit the following changes are observed.
- Wax melts.
- Candle keeps burning.
- The size of the candle decreases.
- The molten wax solidifies
- Which of the changes can be reversed? Justify your answer
Water is the universal solvent. Why?
What is melting? Give example.
What is a reversible change?
Give one example for each case that happens around you.
- Slow and fast change
- Reversible and irreversible change
- Physical and chemical change
- Natural and man-made change
- Desirable and undesirable change
Tabulate some changes taking place in our body system with its type.
Distinguish between the physical and chemical changes.
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