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CHEMISTRY

Chemistry
Which is a natural colloid ?

Sodium chloride
Urea
Blood
Cane-sugar

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Chemistry
Suspension particles have the size between

10–8 – 10–10cm
10–5 – 10–7cm
10–2 – 10–4 cm
10–1 – 10–2 cm

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Chemistry
Which of the following acts as best adsorbent?

Charcoal
Activated Charcoal
Carbon black
Activated Coconut Charcoal

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise the colloid and prevent crystallisation
Enrich the aroma
Stabilise mixture
Prevent making a colloid

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Chemistry
Milk is

Foam
Emulsion
Suspension
Gel

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