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Chemistry Quiz 4

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Chemistry Quiz 4

1 / 50

Which of the following have their outer most shell complete in atomic form ?

2 / 50

Melting points of VII-A group elements down the group ____________________?

3 / 50

Isotopes of the same elements has__________________?

4 / 50

List of elements based on hydrogen scale is called________________?

5 / 50

Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?

6 / 50

Which one of the following compounds shows intense knocking ?

7 / 50

Ratio of the amount of solute in organic and aqueous solvent is________________?

8 / 50

The relative lowering of vapour pressure is directly proportional to molality if the solution is________________?

9 / 50

The Bond Energy of H-F is________?

10 / 50

Conversion of reactant into product in unit time is called________________?

11 / 50

Electronic configuration of K is_________________?

12 / 50

Which of the following is macronutrient ?

13 / 50

Which of the following is the most reactive_________________?

14 / 50

Chemical properties of first member of homologous series with respect to other members are_________________?

15 / 50

When light is exposed to transition element then electrons jump from lower orbitals to higher orbitals in______________________?

16 / 50

Forces of attraction which may be present between all kinds of atoms and molecules are _____________________?

17 / 50

Preparation of vegetable ghee involves_________________?

18 / 50

Geometry of the complex compounds usually depends upon __________________?

19 / 50

In electrolytic cell electricity carries________________?

20 / 50

Which of the following will have highest value of electron affinity_________________?

21 / 50

Size of molecule depends upon________________?

22 / 50

The addition of a catalyst to the reaction system__________________?

23 / 50

The IUPAC name of ethylene oxide is__________?

24 / 50

Crystals of Na2CO3. 10H2O when exposed to air_________________?

25 / 50

Which one of the following has highest volatility_________________?

26 / 50

When 0.01 moles of NaOH are added to a buffer solution, its PH changes from 4.745 to 4.832. What is its?

27 / 50

Which of the following will have very high rate of reaction ?

28 / 50

What is the mass percent of silver in silver notrate, AgNO3?

29 / 50

Octane number can be improved by________________?

30 / 50

Cannizaros reaction takes place through the transfer of ____________________ from complex anion?

31 / 50

Which of the following substances does not give iodoform test ?

32 / 50

The reduction potential Zn is_________________?

33 / 50

Which of the following gases is the main cause of acid rain ?

34 / 50

Which of the following has strongest intermolecular forces of attraction ?

35 / 50

Which electronic configuration corresponds to an element of group IIIA ?

36 / 50

The spreading of fragrance or scent in air is due to_______________?

37 / 50

Saponification is the hydrolysis of fat or oil with an__________________?

38 / 50

Ozonolysis of benzene produces___________________?

39 / 50

Greater value of standard reduction potential greater will be tendency__________________?

40 / 50

The unit of molality is__________________?

41 / 50

Ketones are comparatively less reactive than aldehdye. It is due to_______________?

42 / 50

Water has maximum density at __________________?

43 / 50

Which one of the following explain the shape of orbitals _________________?

44 / 50

Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?

45 / 50

By decreasing the pressure the reaction will go to that direction where_________________?

46 / 50

Which one of the following has the maximum number of isotopes ?

47 / 50

Ce58 is a member of__________?

48 / 50

Beillstein test is used for________?

49 / 50

Octane number 2 2 4-trimethyl pentane is__________________?

50 / 50

C5H12 has the number of isomers ___________________?

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