Question

A chemical used as a preservative for jams, pickles etc.
A: Titanium dioxide
B : Rayon
C : benzoic acid

10. A substance which dissolves grease & oil and is preferred as a - drain cleaner
A : glycerine
B: Sodium hydroxide
C: Hydrogen peroxide
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Answer 1

Answer:

3,5-Dihydroxybenzoic acid (DHBA) Version 1.0

Description

3,5-Dihydroxybenzoic acid, (DHBA) i.e. alpha-Resorcylic acid, 5-Carboxyresorcinol, Benzoic acid, 3,5-dihydroxy-; white crystalline powder, non-poisonous, soluble in alcohol, ether and hot water.

It will turn pink with ferric chloride. Intermediate for resveratrol production.

Applications

It is recommended for evaluation in:

Organic synthesis intermediates

Pharmaceuticals

Synthetic resins, etc

Answer 2

Answer:

No 1 ) C

No 2) B

Explanation:

A) Benzoic acid is a chemical used as a preservative for jams, pickles etc.

B) Sodium Hydroxide (NaOH) is a substance which dissolves grease & oil and is preferred as a - drain cleaner

Here is ur answer mate❤