Which of the following is a good conductor of heat but a bad conductor of electricity?
- (A) Mica
- (B) Asbestos
- (C) Aluminum
- (D) Titanium
- (A) Mica
Which of the following is most poisonous?
- (A) Acetic acid
- (B) Methyle alcohol
- (C) Ethyle alcohol
- (D) Potassium chloride
- (B) Methyle alcohol
The coloring matter in the process of bleaching of textiles by the use of bleaching powder gets:
- (A) Absorbed
- (B) Oxidized
- (C) Displaced
- (D) Ionized
- (B) Oxidized
Human body is composed of nearly _______ elements.
- (A) 25
- (B) 27
- (C) 28
- (D) 30
- (C) 28
Which one of the following is NOT a noble gas?
- (A) Helium
- (B) Hydrogen
- (C) Neon
- (D) Argon
- (B) Hydrogen
The basic chemical building block of natural rubber obtained from trees is:
- (A) Isoprene
- (B) Neoprene
- (C) Acetylene
- (D) Vinyl chloride
- (A) Isoprene
A polymeric substance used to make parachute is:
- (A) Rayon
- (B) Viscose
- (C) Cotton
- (D) Terylene
- (B) Viscose
Which of the following is amorphous solid?
- (A) Glucose
- (B) Glass
- (C) Diamond
- (D) Sodium chloride
- (B) Glass
Percentage of lead in “Lead pencils” is:
- (A) 0
- (B) 4
- (C) 6
- (D) 8
- (A) 0
The metal is used to make jewelry items of its unique characteristics:
- (A) Zinc
- (B) Sodium
- (C) Platinum
- (D) Lead
- (C) Platinum
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