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Sample AFMC Chemistry Mock Test - NEET MCQ


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30 Questions MCQ Test - Sample AFMC Chemistry Mock Test

Sample AFMC Chemistry Mock Test for NEET 2024 is part of NEET preparation. The Sample AFMC Chemistry Mock Test questions and answers have been prepared according to the NEET exam syllabus.The Sample AFMC Chemistry Mock Test MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Sample AFMC Chemistry Mock Test below.
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Sample AFMC Chemistry Mock Test - Question 1

Which of the following will not be soluble in sodium hydrogen carbonate ?

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 1

The reaction is as follows:

Acid + NaHCO3 Sodium salt of acid((soluble) + H2CO3

Among all the given compounds, o-nitrophenol is weaker acid than HCO3Hence, it does not react with NaHCO3.

Sample AFMC Chemistry Mock Test - Question 2

Reaction of tert-butyl bromide with sodium methoxide produces

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 2




Isobutylene is obtained.

Thus, the reaction produces isobutylene.

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Sample AFMC Chemistry Mock Test - Question 3

The segment of DNA which acts as the instrumental manual for the synthesis of protein is

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 3

The segment of DNA Which acts as the instrumental manual for the synthesis of the protein is a gene. Every protein in a cell has a corresponding gene.

Sample AFMC Chemistry Mock Test - Question 4

A neutral atom (At. no. > 1) has

Sample AFMC Chemistry Mock Test - Question 5

A carboxylic acid is converted into its anhydride using

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 5
This white crystalline solid is the anhydride of phosphoric acid. It is a powerful desiccant and dehydrating agent.The direct reaction of a carboxylic acid with an amine would be expected to be difficult because the basic amine would deprotonate the carboxylic acid to form a highly unreactive carboxylate. However when the ammonium carboxylate salt is heated to a temperature above 100 degreeC water is driven off and an amide is formed.
Sample AFMC Chemistry Mock Test - Question 6

Enzymes

Sample AFMC Chemistry Mock Test - Question 7

The iso-electronic pair is

Sample AFMC Chemistry Mock Test - Question 8

The rate of the reaction

is fastest when Z is

Sample AFMC Chemistry Mock Test - Question 9

The geometric form of crystals is the result of orderly arrangement of

Sample AFMC Chemistry Mock Test - Question 10

Just before attaining equilibrium by a reversible reaction, it is found that

Sample AFMC Chemistry Mock Test - Question 11

For the reaction 2A + B → 3C + D. Which of the following does not express the reaction rate?

Sample AFMC Chemistry Mock Test - Question 12

Which of the following favours the backward reaction in a chemical equilibrium?

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 12
If the concentration of one or more products is increased then according to Le-chat Lier's principle the system will try to minimise the change i.e., the system will try to decrease the concentration of products and as such the reaction will proceed in backward direction. Thus backward reaction is favoured.
Sample AFMC Chemistry Mock Test - Question 13

Effect of temperature on rate of reaction given by

Sample AFMC Chemistry Mock Test - Question 14

On Pauling scale which of the following does not have electronegativity ≥ 3.0

Sample AFMC Chemistry Mock Test - Question 15

The heat of combustion of methane at 298K is expressed by CH4(g) + 2O2(g) → CO2(g) + 2H2O(l), ΔH = -890.2kJ. The magnitude of ΔE of the reaction at this temperature is

Sample AFMC Chemistry Mock Test - Question 16

Which of the following electronic configuration corresponds to an inert gas?

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 16

As the electronic configuration of inert gases is ns2 np6 ,thus the element containing electronic configuration 1s22s22p6 , is an inert gas.

Sample AFMC Chemistry Mock Test - Question 17

The additive used in composite propellants is

Sample AFMC Chemistry Mock Test - Question 18

A neutral fertilizer among the following compounds is

Sample AFMC Chemistry Mock Test - Question 19

The IUPAC name for

Sample AFMC Chemistry Mock Test - Question 20

In hydrogen-oxygen fuel cell,combustion of hydrogen occurs to

Sample AFMC Chemistry Mock Test - Question 21

At STP 1.12 litre of H2 is obtained on flowing a current for 965 seconds in a solution. The value of current is

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 21

1.12 L at N.T.P. = 1.12/22.4 mol = 0.05 mol
1 mol of H2 is obtained by passing electricity = 2 x 96500 C
0.05 mol of H2 is obtained by electricity = 2 x 96500 x 0.05
Now if I is current strength,
I x 965 = 2 x 96500 x 0.05 or I = 10 amp

Sample AFMC Chemistry Mock Test - Question 22

An example of an oxide ore is

Sample AFMC Chemistry Mock Test - Question 23

Magnesium can be obtained by

Sample AFMC Chemistry Mock Test - Question 24

Alkali metals impart colour to Bunsen flame due to

Sample AFMC Chemistry Mock Test - Question 25

The important oxide ore of iron is

Sample AFMC Chemistry Mock Test - Question 26

A hydrocarbon reacts with hypochlorous acid to give 2-chloroethanol. The hydrocarbon is

Sample AFMC Chemistry Mock Test - Question 27

...... test is used for detecting unsaturation in hydrocarbons

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 27
Option D is correct.1% cold KMnO4/OH- (pink coloured solution)is turned into Colourless solution+MnO2(brown ppt)its an important test for unsaturation in hydrocarbons.
Sample AFMC Chemistry Mock Test - Question 28

Heavy water is used in nuclear reactors as

Sample AFMC Chemistry Mock Test - Question 29

What is the conjugate base of OH⁻?

Detailed Solution for Sample AFMC Chemistry Mock Test - Question 29
When acid give H+ then the remaining of its part is called conjugate base. So if we remove H+ from OH- ,we get O2-. Hence O2- is the conjugate base of OH-. P.S:- OH- is also a conjugate base of H2O.
Sample AFMC Chemistry Mock Test - Question 30

A radioactive isotope decays at such a rate that after 96 minutes only 1/8 th of the original amount remains. The half-life of this nuclide in minutes is

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