Important Questions of Chemistry in Everyday Life Chemistry | Zigya

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41.

Barbituric acid is used as :

  • an antipyretic

  • an antiseptic

  • a tranquilizer

  • an analgesic


42.

Initial setting of cement is mainly due to :

  • hydration and gel formation

  • dehydration and gel formation

  • hydration and hydrolysis

  • dehydration and dehydrolysis


43.

Consider the following compounds :

1. Sulphur dioxide

2. Hydrogen peroxide

3. Ozone 

Among these compounds identify those that can act as bleaching agent :

  • 1 and 3

  • 2 and 3

  • 1 and 2

  • 1, 2 and 3


44.

Barbituric acid and its derivatives are well known as:

  • tranquilizers

  • antiseptics

  • analgesics

  • antipyretics


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45.

Aspirin is:

  • acetyl salicylic acid

  • 2-methoxy benzoic acid

  • acetyl oxalic acid

  • ethoxy benzoic add


46.

The reagent used in the preparation of aspirin from salicylic acid is

  • SOCl2/ pyridine

  • CH3COOH / HCl

  • (CH2CO)2O/ Conc. H2SO4

  • CH3Cl/ AlCl3


47.

Match the following:
List - I List - II
A. Oxyhaemoglobin i. Analgesic
B. Aspirin  ii. Oxygen carrier
C. Haemoglobin iii. Photosynthesis
D. Chlorophyll

iv. Oil of winter green

v. Fe2+ paramagentic

The correct match is

  • A - v; B - i; C - ii; D - iii

  • A - iv; B - ii; C - i; D - iii

  • A - iii; B - i; C - ii; D - iv

  • A - v; B - ii; C - iii; D - i


48.

A micelle formed during the cleansing action by soap is

  • a discrete particle of soap

  • aggregated particles of soap and dirt

  • a discrete particle of dust

  • an aggregated particle of dust and water


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49.

Parkinson's disease is linked to abnormaties in the levels of dopamine in the body. The structure of dopamine is


50.

Identify the non-narcotic analgesic from the following

  • diazepam

  • ibuprofen

  • formalin

  • terpineol


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