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Mdcat-past-papers - NUMS - Chemistry Quiz

Filters: Board: NUMS | Subject: Chemistry |
121. Oxidation number of element in free state:



122. Which of the following increase down the group for alkali metals:



123. Which of the following property increases down the group in alkali metals?



124. The solubility of alkaline earth metal compounds:



125. When a metal carbonate is heated at 100°C, which of the following compound will readily decompose?



126. The cracking method used to obtain better quality gasoline is:



127. Homocyclic organic compounds are subdivided into two types namely:



128. Isomerism due to shifting of proton from one atom to another in a same molecule is known as:



129. Geometrical isomerism is shown by:



130. Geometric isomerism is exhibited by:



131. Select the alkene showing geometrical isomerism:



132. Electrophile in sulphonation of benzene is:



133. Benzene can be formed from phenol in which of the following reactions?



134. Acetophenone can be formed by which of the following reaction of benzene?



135. The most readily sulphonated compound is:



136. C₂H₂O is the general formula of:



137. Identify the alkene which gives only one type of aldehyde upon ozonolysis:



138. 50% NaOH is used in which reaction:



139. Cannizzaro's reaction is given by:



140. Compound A + I₂ + Na₂CO₃ → Compound B + RCOONa + NaI + H₂O. Identify compound B:



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