Chemistry Quiz 23
1 / 50
An enzyme has its specificity due to________________?
2 / 50
1 molar solution of glucose in water contains weight of glucose________________?
3 / 50
Lipopolysaccharides are examples of________________?
4 / 50
What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?
5 / 50
The most reactive allotropic form of phosphorus is________________?
6 / 50
Argon gas was discovered by_______?
7 / 50
When enthalpy of reactants is higher than product then reaction will be_________________?
8 / 50
The substances that reduces the effectiveness of a catalyst are called ___________________?
9 / 50
Anything which depends upon initial and final state of a system is_______________?
10 / 50
Formula of Galena is________?
11 / 50
The chemical composition of cinnabar is__________________?
12 / 50
In modern periodic table all the leements are arranged in ascending order of__________________?
13 / 50
Which of the following is not a macromolecule ?
14 / 50
Which of the following is not a use of acetaldehyde ?
15 / 50
What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?
16 / 50
Air is a/an _________?
17 / 50
Greater value of standard reduction potential smaller will be tendency______________?
18 / 50
Mass spectrometer is used to determine Mass number of isotopes and___________________?
19 / 50
Which of the following orbitals has maximum penetration effect?
20 / 50
How much solar flux absorb by earth?s surface is used to drive hydrologic cycle:
21 / 50
Nucleic acids were first demonstrated in_________________?
22 / 50
Non-stoichiometric compounds of transition elements are called___________________?
23 / 50
In pig iron the concentration of C-atom is ___________________?
24 / 50
Which of the following noble gases is abundant in air?
25 / 50
Which of the following terms is not used for ionic compound ?
26 / 50
Which of the following theories is superior to others__________________?
27 / 50
Metallic crystals are soluble in________________?
28 / 50
The introduction of Kelvin scale in thermodynamic is according to_______________?
29 / 50
Major cause of SO2 on global scale is__________________?
30 / 50
Table salt crystallizes with a______________________?
31 / 50
How many moles are in 22.2 grams of Calcium chloride, CaCl2?
32 / 50
Dempsters mass spectrometer has number of zones / parts_________________?
33 / 50
H2 gas in SHE is filled at pressure of___________________?
34 / 50
Element that have same number of neutrons are called__________?
35 / 50
Chlorination of water may be harmful if the water contains_________________?
36 / 50
The use of CaCl2 and PCl5 in the process of crystallization is as a____________________?
37 / 50
Which one of the following compound does not have ? OH group___________________?
38 / 50
Which one of the following carbonate is water insoluble ?
39 / 50
The tip of funnel should touch the wall of the breaker in order to avoid____________________?
40 / 50
Which order of ionization energy is correct_________________?
41 / 50
Orgosterol is__________________?
42 / 50
Which of the following haloalkane is hydrolysed by SN1 mechanism?
43 / 50
Which of the following is an unsaturated carboxylic acid___________________?
44 / 50
The composition of mixture of clay and lime stone in the raw for cement material is __________________?
45 / 50
Polyamides are synthetic polymers commonly known as___________?
46 / 50
In diaphragm cell level of brine in anode compartment is kept slightly higher which prevents_______________?
47 / 50
The velocity of the photon____________________?
48 / 50
A solid may be made up of_________________?
49 / 50
Which of the following ion is stable in aqueous solution ?
50 / 50
In unsaturated hydrocarbons electrons favour___________________?
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