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Sunday 10 January 2016

General Science Chemistry- 9

131. Most soluble in water is —
Answer: Sugar

132. One fathom is equal to–
Answer: 6 feet

133. According to Dalton’s atomic theory the smallest particle which can exist independently is–
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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