#1
7th June 2015, 10:00 AM
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Chemistry GUJCET Papers
Will you please provide here the sample paper of the chemistry subject of the GUJCET examination , as I requires the same while doing preparation for the exam ?
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#2
7th June 2015, 12:26 PM
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Re: Chemistry GUJCET Papers
As you want I am here giving you sample paper of the chemistry subject of the GUJCET examination. Sample paper : 68. Salicyldehyde is obtained when Phenol is heated with CHC13 and aqueous NaOH. This reaction is known by which name ? (A) Kolbe - Schmitt reaction (B) Reimer Tiemann reaction (C) Hoffmann's reaction (D) Carbyl amine reaction 69. What is the hybridisation of Carbon and Oxygen in electronic structure of Ether ? (A) sp2 and sp2 (B) sp and sp (C) spa and sp3 (D) spa and sp2 70. What is the oxidation number of carbonyl carbon in Acetophenone ? (A) Zero (B) + 2 (C) + 1 (D) + 3 71. Which product is obtained on reduction of Methanal in the presence of concentrated NaOH ? (A) Formic acid (B) Methyl alcohol (C) CO + H2 (D) Formic acid and Methyl alcohol 74. Which compound is known as 'alkyl carbylamine' ? (A) Ar. NC (B) Ar . CN (C) R . NC (D) R . CN 75. Which type of chemical substance is Disparlure ? (A) Preservative (B) Pheromones (C) Antioxidant (D) Detergent Here is the attachment. |
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