General Knowledge on Chemistry

(Click on suggested Options to select the answer \| Color Red means : Wrong & Green Means: Correct)
141. Sodium stearate is a salt and is used A. in gun powder B. in paint C. to make soap D. to make fertiliser Check Answer \| Discussion 142. White Phosphorus glows in the dark due to A. amorphous character B. slow oxidation C. high ignition temperature D. good conducting property of electricity Check Answer \| Discussion 143. Which one of the following correctly defines the state of glass? A. Crystalline glass B. Supercooled liquid C. Condensed gas D. Liquid crystal Check Answer \| Discussion 144. The isotope of uranium capable of sustaining chain reactions is A. U-235 B. U-238 C. U-239 D. None of these Check Answer \| Discussion 145. Regarding the atom of a chemical element the magnetic quantum number refers to A. shape B. size C. orientation D. spin Check Answer \| Discussion 146. Which one among the following fuels is used in gas welding ? A. LPG B. Ethylene C. Methane D. Acetylene Check Answer \| Discussion 147. Which one among the following processes is not part of a chemical weathering ? A. Hydration B. Exfoliation C. Oxidation D. solution Check Answer \| Discussion 148. Which one among the following would expand the most on being heated ? A. Water B. Air C. Alcohol D. Glass Check Answer \| Discussion 149. Which one among the following substances evolved heat when dissolved in water? A. Glucose B. fructose C. Quick lime D. Salt peter Check Answer \| Discussion 150. Which one among the following will you put into pure water in order to pass electric current through it ? A. Kerosene B. Mustard oil C. Sugar D. Lemon juice Check Answer \| Discussion
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General Knowledge on Chemistry

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