NEET Chemistry Chapter Wise Mock Test – Some Basic Concepts of Chemistry

NEET Chemistry Chapter Wise Mock Test – Some Basic Concepts of Chemistry

Question 1:

Question 2:

Question 3:
74.5 g of a metallic chloride contain 35.5 g of chlorine. The equivalent weight of the metal is
(a) 19.5
(b) 35.5
(c) 39.0
(d) 78.0

Question 4:

Question 5:
The vapour density of a volatile chloride of a metal is 95 and the specific heat of the metal is 0.13 cal/g. The equivalent weight of the metal will be approximately
(a) 6
(b) 12
(c) 18
(d) 49

Question 6:

Question 7:

Question 8:

Question 9:
What is the percentage of cation in ammonium dichromate?
(a) 14.29%
(b) 80%
(c) 50.05%
(d) 20.52%

Question 10:

Question 11:

Question 12:

Question 13:

Question 14:
One mole of chlorine combines with certain weight of a metal giving 111 g of its chloride. The same amount of metal can displace 2 g of hydrogen from an acid. The atomic weight of the metal is
(a) 40
(b) 20
(c) 80
(d) None of these

Question 15:
1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent weight of metal is
(a) 1.52
(b) 0.995
(c) 190
(d) 9

Question 16:
The mass of carbon anode consumed (given only C02) in production of 270 kg of aluminium metal from bauxite by the Hall process is (atomic mass of Al =27)
(a) 180 kg
(b) 270 kg
(c) 540 kg
(d)90kg

Question 17:
What volume of a solution of hydrochloric acid containing 73g of acid per litre would sufficient for exact neutralisation of sodium hydroxide obtained by allowing 0.46 g of metallic sodium to act upon water?
(Cl = 35.5, Na = 23.0, 0 = 16)
(a)10mL
(b)20mL
(c) 30 mL
(d) 40 mL

Question 18:
0.5 g of fuming H2SO4(oleum) is diluted with water. This solution is completely neutralised by 26.7 mL of 0. 4 N NaOH. The percentage of free S03 in the sample is
(a) 30.6%
(b) 40.6%
(c) 20.6%
(d) 50%

Question 19:

Question 20:

Question 21:

Question 22:

Question 23:

Question 24:

Question 25:
An aqueous solution of glucose is 10% in strength. The volume in which 1g mole of it is dissolved will be
(a) 18 L
(b) 92 L
(c)0.9L
(d)1.8L

Question 26:

Question 27:
0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5 N KOH. The basicity of acid is
(a) 2
(b) 4
(c) 1
(d) 3

Question 28:

Direction (Q. NO. 29) In the following question more than one of the answers may be correct. Select the correct answers and mark it according to the codes.
Codes
(a) I, II and III are correct
(b) I and II are correct
(c) II and IV are correct
(d) I and III are correct

Question 29:

Direction (Q. NOS. 31-34) Each of these questions contains
two statements : Statement I and II. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (fe), (c) and (d) given below.
(a) Statement I is true, Statement II is true; Statement II is a correct explanation for Statement I
(b) Statement I is true, Statement II is true; Statement II is not a correct explanation for Statement I
(c) Statement I is true, Statement II is false
(d) Statement I is false, Statement II is true

Question 30:

Question 31:

Question 32:
Statement I The molality of the solution does not change with change in temperature.
Statement II The molality of the solution is expressed in units of moles per 1000 g of solvent.

Question 33:

Normality formula in chemistry is one of the important term used to measure the concentration of a solution.

Question 34:
Statement I Normality and molarity can be calculated from each other.
Statement II Normality is equal to the product of molarity and n.

Question 35:

Question 36:
When 22.4 L of H₂(g) is mixed with 11.2 L of Cl₂(g) each at STP, the moles of HCI (g) formed is equal to
(a)1 mole of HCI (g)
(b)2 moles of HCI (g)
(c) 0.5 mole of HCI (g)
(d)5 mole of HCI (g)

Question 37:

Question 38:

Question 39:
The decomposition of a certain mass of CaC0₃ gave 11.2 dm³ of CO ₂ gas at STP. The mass of KOH required to completely neutralise the is [AIIMS 2012]
(a)56 g
(b) 28 g
(c) 42 g
(d) 20 g

Question 40:
A metal oxide has the formula A2O3. It can be reduced by hydrogen to give free metal and water. 0.1596 g of this metal oxide requires 6 mg of hydrogen for complete reduction. What is the atomic weight of metal?
(A)3
(b) 57.3
(c) 55.8
(d) 59.3

Question 41:
The weight of iron which will be converted into its oxide (Fe₃0₄) by the action of 18 g of steam on it will be (atomic weight of Fe = 56)
(a) 168 g
(b)84g
(c) 42 g
(d) 21 g

Question 42:
Statement I Equal moles of different substances contain same number of constituent particles. Statement II Equal weights of different substances contain the same number of constituent particles.
(a) Statement I is true, Statement II is true; Statement II is a correct explanation for Statement I
(b) Statement I is true, Statement II is true; Statement II is not a correct explanation for Statement I
(c) Statement I is true, Statement II is false
(d) Statement I is false, Statement II is true

Question 43:

Question 44:

Question 44:

Question 45:

Answers:

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