131. Most soluble in water is —
133.
According to Dalton’s atomic theory the smallest particle which can exist
independently is–
Answer: Sugar
132. One fathom is equal to–
Answer: 6 feet
Answer: An
atom
134. The
gases used in different types of welding would include —
Answer: Oxygen
& acetylene
135. Formaldehyde
is the starting material for The manufacture of-
Answer: Bakelite
136. The
recent atomic weight scale is based on–
Answer: 6C12
137. Which of
the following alloys is used for making magnets ?
Answer: Alnico
138. The
phenomenon of “metamerism” is Shown by-
Answer: Methyl
propylether and diethyl ether
139. The
major ingredient of leather is–
Answer: Collagen
140.
Chemically, vitamin C is __?
Answer: Ascorbic
acid
141. If two
liquids have widely different boiling Points, they may be separated by-
Answer: Fractional
distillation
142. Glass is
made from the mixture of–
Answer: Sand
and silicates
143. Which of
the following can be used as an anaesthetic?
Answer: Nitrous
oxide
144. Which of
the following is not an ore of Aluminium?
Answer: Azurite
145. Epoxy
resins is used as–
Answer: Adhesives
146.
Commercial acetic acid is used in the preparation of ?
Answer: Vinegar
147. Most
soluble in water is —
Answer: Sugar
148. One
fathom is equal to–
Answer: 6
feet
149. An ice
cube is floating on the surface of water. How will the water level be affected
by melting of this ice cube ?
Answer: Water
level will remain the same
150. Bromine
is —
Answer: A
red liquid.
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