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General Knowledge on Chemistry | GK Test on Chemistry Page 16
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Chemistry

General Knowledge on Chemistry

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)

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151. Vermicompost is a/an
152. The purity of 14 carat gold is
153. Chromium oxide is used as an ingredient in paints to obtain
154. Biogas consists of mainly
155. The coil in a heater is made of
156. Which one of the following is used to slow down the speed of the neutrons in the nuclear reactor ?
157. The bond which is present between water molecules is
158. The most of the mass of the atom can be found in
159. Which one among the followingis used in making lead pencils?
160. Which one of the following is a major constituent of biogas?

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