Question

G. Long-answer questions
1. Write a short note on los
2. With an example, describe how you can use
sublimation to separate substances
3. How will you separate the following
mixtures
rice and stones
il sulphur and iron filings
il sugar and water to get only the sugar)
1.​

Answer 1

1. Write a short note on los

ANSWER: Los angeles aberation test on aggregates is the measure of aggregate toughness and abrasion resistance such as crushing degradation and desintegration.

2. With an example, describe how you can use sublimation to separate substances

ANSWER: To separate mixture that contains a sublimate with volatile component from a non sublimate impurity, the sublimation process is used.

Example: Ammonium chloride changes directly from solid to gaseous state on heating. the gaseous form of Ammonium chloride can be cool easily to get a pure form of solid.

3. how will you separate the following mixture

ANSWER: RICE AND STONES BY hand picking method

SULPHUR AND IRON FILINGS BY methylbenzene

SUGAR AND WATER TO GET ONLY THE SUGAR BY distillation, evaporation or centrifugation

HOPE IT HELPS YOU

Answer 2

hopeman kar Bil Amin abhikriya likhiye