MDCAT Chemistry Chapter 2 Atomic Structure Online Test

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  • Chapter NamePhysical Chemistry: Fundamental Concepts
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MDCAT Chemistry Chapter 2 Atomic Structure Online Test

  • Total Questions20

  • Time Allowed20

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MDCAT Chemistry Chapter 2 Atomic Structure Online Test

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Question # 1

One mole of SO2 contains

Question # 2

Molecular ions are produced in mass spectrometer. Which type of molecular ion formed more abundantly.

Question # 3

Water may boil at 120 °C when external pressure is:

Question # 4

When we dissolve 15.8 g of KMnO4 in 1000g of H20. The solution is

Question # 5

250cm of 0.2 molar potassium sulphate solution is mixed with 250cm of 0.2 molar KCI solution. The molar concentration of K ions is:

Question # 6

To cook the food at a high mountain is difficult as compared to at sea level. The reason is that:

Question # 7

Which of the following contains I mole of the stated particles

Question # 8

5604 cm3 of H2 gas at STP contains atoms of hydrogen

Question # 9

Gram atoms of hydrogen in 5.5 g H2

Question # 10

Point out that which is not an application of liquid crystals?

Question # 11

If empirical formula of a compound is CH2 and its molecular mass is 56amu. What will beits molecular formula

Question # 12

Styrene has empirical formula CH, and there is 92.2%C and 7.75% hydrogen. If molar mass is 104g mol¯, what will be integral multiple (n) to get molecular formula:

Question # 13

The B.P of H2O at Murree Hills is

Question # 14

Number of H+ ions when 0.1 mole of sulfuric acid is completely ionized in water

Question # 15

Mass spectrometry is used to determine the

Question # 16

6Na+ Fe2O3 -------- 3 Na2O+2Fe For above reaction, if you are provided with 230g Na and 320g Fe2O3, then limiting reactant is

Question # 17

The hydrocarbon with maximum B.P is

Question # 18

Which of the following is pure substance

Question # 19

The stoichiometric calculations for a chemical reaction results in

Question # 20

Mg(s) + 2HCI(aq). ------------ MgCl2(aq)+ H2(g)
Given that; Mg=21g and HCI=21g, the excess reactant is

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