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Chemistry Quiz 23

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Chemistry Quiz 23

1 / 50

Which of the following orbitals has maximum penetration effect?

2 / 50

The substances that reduces the effectiveness of a catalyst are called ___________________?

3 / 50

1 molar solution of glucose in water contains weight of glucose________________?

4 / 50

Which of the following haloalkane is hydrolysed by SN1 mechanism?

5 / 50

The tip of funnel should touch the wall of the breaker in order to avoid____________________?

6 / 50

When enthalpy of reactants is higher than product then reaction will be_________________?

7 / 50

In pig iron the concentration of C-atom is ___________________?

8 / 50

The most reactive allotropic form of phosphorus is________________?

9 / 50

The chemical composition of cinnabar is__________________?

10 / 50

Which of the following is an unsaturated carboxylic acid___________________?

11 / 50

What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?

12 / 50

Dempsters mass spectrometer has number of zones / parts_________________?

13 / 50

Argon gas was discovered by_______?

14 / 50

In modern periodic table all the leements are arranged in ascending order of__________________?

15 / 50

Which one of the following carbonate is water insoluble ?

16 / 50

H2 gas in SHE is filled at pressure of___________________?

17 / 50

In diaphragm cell level of brine in anode compartment is kept slightly higher which prevents_______________?

18 / 50

Which of the following noble gases is abundant in air?

19 / 50

Greater value of standard reduction potential smaller will be tendency______________?

20 / 50

The use of CaCl2 and PCl5 in the process of crystallization is as a____________________?

21 / 50

Formula of Galena is________?

22 / 50

Which of the following is not a use of acetaldehyde ?

23 / 50

Orgosterol is__________________?

24 / 50

Which order of ionization energy is correct_________________?

25 / 50

Nucleic acids were first demonstrated in_________________?

26 / 50

How many moles are in 22.2 grams of Calcium chloride, CaCl2?

27 / 50

Which of the following terms is not used for ionic compound ?

28 / 50

A solid may be made up of_________________?

29 / 50

Air is a/an _________?

30 / 50

The introduction of Kelvin scale in thermodynamic is according to_______________?

31 / 50

What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?

32 / 50

Non-stoichiometric compounds of transition elements are called___________________?

33 / 50

How much solar flux absorb by earth?s surface is used to drive hydrologic cycle:

34 / 50

Mass spectrometer is used to determine Mass number of isotopes and___________________?

35 / 50

In unsaturated hydrocarbons electrons favour___________________?

36 / 50

Table salt crystallizes with a______________________?

37 / 50

Which of the following ion is stable in aqueous solution ?

38 / 50

The composition of mixture of clay and lime stone in the raw for cement material is __________________?

39 / 50

Anything which depends upon initial and final state of a system is_______________?

40 / 50

Chlorination of water may be harmful if the water contains_________________?

41 / 50

Which one of the following compound does not have ? OH group___________________?

42 / 50

Polyamides are synthetic polymers commonly known as___________?

43 / 50

Which of the following theories is superior to others__________________?

44 / 50

The velocity of the photon____________________?

45 / 50

Metallic crystals are soluble in________________?

46 / 50

An enzyme has its specificity due to________________?

47 / 50

Element that have same number of neutrons are called__________?

48 / 50

Lipopolysaccharides are examples of________________?

49 / 50

Which of the following is not a macromolecule ?

50 / 50

Major cause of SO2 on global scale is__________________?

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