Which factor is usually essential for the filtration?
- AApparatus size
- BPresence of air
- ✓Pore size
- DTemperature of the mixture
Answer: C.
View full solution →131 questions across 8 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
[1 Marks Each] M.C.Q.
17 Q→02[1 Marks Each] Blanks
13 Q→03True Or False.[1 Marks Each]
13 Q→04[1 Marks Each] QUE - ANS
62 Q→05[3 Marks Each] QUE-ANS
8 Q→06[5 Marks Each] QUE-ANS
2 Q→07Answer The Following Questions In Short.[2 Marks Each]
13 Q→08Match the following.
3 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: C.
View full solution →Answer: C.
View full solution →Answer: B.
View full solution →Answer: B.
View full solution →Answer: B.
View full solution →| Column $I$ | Column $II$ |
| $(1)$ Gram flour mixed with black gram | $(a)$ Handpicking |
| $(2)$ Chalk powder mixed with water | $(b)$ Magnetic separation |
| $(3)$ Corn mixed with potatoes | $(c)$ Decantation |
| $(4)$ Iron powder mixed with sawdust | $(d)$ Sieving |
| $(5)$ Oil mixed with water | $(e)$ Filtration |
| Column A | Column B |
| Q.1. Evaporation | A. Conversion of water vapours into liquids |
| Q.2. Condensation | B. Separating fine particles from flour |
| Q.3. Churning | C. Settling of heavier components at bottom |
| Q.4. Sieving | D. Separating butter from milk |
| Q.5. Sedimentation | E. Conversion of water into its vapours |
| Column A | Column B |
| Q.1. Handpicking | A. Settling of heavier components at bottom |
| Q.2. Threshing | B. Separating fine particles from flour |
| Q.3. Winnowing | C. Separating larger size impurities |
| Q.4. Sieving | D. Separating grains from its stalks |
| Q.5. Sedimentation | E. Separation by wind or by blowing air |
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