
Which of the following materials are used in the making of $X$ and $Y?$
- AWood metal.
- BPlastic, glass.
- ✓Bamboo glass.
- DBamboo/ plastic.
Answer: C.
View full solution →382 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
[1 Marks Each] M.C.Q.
217 Q→02Assertion (A) & Reason (B) MCQ
8 Q→03[1 Marks Each] Blanks
23 Q→04True Or False.[1 Marks Each]
24 Q→05[1 Marks Each] QUE - ANS
62 Q→06[3 Marks Each] QUE-ANS
19 Q→07[5 Marks Each] QUE-ANS
9 Q→08case /data -based (4 Marks)
5 Q→09Answer The Following Questions In Short.[2 Marks Each]
15 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Answer: C.
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Answer: B.
View full solution →| $I$ |
Salt
|
sugar
|
flour
|
| $II$ |
$II :$ Copper
|
gold
|
silver
|
|
$III$
|
$III :$ Petrol
|
kerosene
|
paper
|
| $I$ | $II$ | $III$ |
| Solid | Inflammable Non |
| $I$ | $II$ | $III$ |
| Edible. | metallic. | Inflammable. |
| $I$ | $II$ | $III$ |
| Edible. | Metallic. | inflammable |
| $I$ | $II$ | $III$ |
| Solid | Inflammable |
Answer: C.
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Answer: D.
View full solution →|
$(i)$
|
Plastic.
|
|
$(ii)$
|
Metal.
|
|
$(iii)$
|
Glass.
|
Answer: B.
View full solution →Answer: A.
View full solution →Answer: A.
View full solution →Answer: A.
View full solution →Answer: A.
View full solution →Answer: D.
View full solution →|
|
$COLUMN\ I$ |
|
$COLUMN\ II$ |
|
$a$
|
Surgical Instruments
|
$i$
|
Plastic
|
|
$b$
|
Newspaper
|
$ii$
|
Animal product
|
|
$c$
|
Electrical switches
|
$iii$
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Steel
|
|
$d$
|
Wool
|
$iv$
|
Plant product
|
| Name of the material | Appearance (Hard/ Soft) | Transparency (Transparent/ Transucent/ Opaque) | Floats/ Sinks in water | Soluble/ Insouble in water |
| - | - | - | - | - |



| Type of liquid added to water | Is it soluble in water? |
| Liquid $1$ | |
| Liquid $2$ |
| Should this be kept the same in the activity? | $Yes$ or $No$? |
| Amount of the two liquids added to water | $Yes/No$ |
| Amount of water in both the jars | $Yes/No$ |
| Amount of time the two mixtures were stirred | $Yes/No$ |

Answer: A.
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Answer: A.
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