Chemistry Quiz 11
1 / 50
Which of following metals can be displaced by all other metals from its solution ?
2 / 50
Right half cell contains _____________ electrode?
3 / 50
Bromine can be liberated from KBr solution by the action of _______________?
4 / 50
Water absorber used in combustion analysis is___________________?
5 / 50
Mostly ionic compound are produced in between elements of_________________?
6 / 50
Industrial materials and thermal power stations are coated with______________________?
7 / 50
Salt bridge transfers_______________?
8 / 50
The rate of formation of ozone depends on the flux of:
9 / 50
Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?
10 / 50
Pollutants have adverse effect over_________________?
11 / 50
Crystallization does not involve_______________?
12 / 50
Which of the following is not a use of formaldehyde ?
13 / 50
The composition of brown ring in nitrate test is_________________?
14 / 50
Oxidation state of an atom represents____________________?
15 / 50
What is the molecular formula for Nitric acid ________ ?
16 / 50
When electrons collide with heavy metals than ___________ are produced?
17 / 50
Which one of the following aqueous solutions will be basic ?
18 / 50
Boron is non metal while other elements of IIIA group are metals. This is because______________?
19 / 50
The correct electronic configuration of Cu is ___________________?
20 / 50
Which of the halogen can displace other three elements ?
21 / 50
Which is not heterocyclic compound _______________?
22 / 50
Give Electronic configuration of Sodium:
23 / 50
The magnetic quantum number (QN) has its values determined directly by the value of_______________?
24 / 50
If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear ________________?
25 / 50
When phenol is heated with concentrated nitric acid the product is________________?
26 / 50
When sulphuric acid is treated with ethanol sulphuric acid behaves like________________?
27 / 50
The deliquescence is a property in which a solid____________________?
28 / 50
The leements in which d or f orbitals are in the process of completion are__________________?
29 / 50
Which statement is incorrect about catalyst___________________?
30 / 50
Which of the following is an example of liquid in gas solution?
31 / 50
Rate of enzymatic reaction is directly proportional to the concentration of___________________?
32 / 50
Distance at which attractive forces of hydrogen overcome repulsive forces is __________ ?
33 / 50
The law of traids is applicable to__________?
34 / 50
Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?
35 / 50
Rate of disappearance of reactant is equal to_________________?
36 / 50
Which one of the following is most acidic?
37 / 50
The best method of preparation of alkyl halides is a reaction of alcohol with__________________?
38 / 50
Idea of pH and pOH was put forward by________________?
39 / 50
In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?
40 / 50
Which catalyst is used in contact process ?
41 / 50
Because of its ability to combine with both oxygen and nitrogen aluminium metal is used_____________?
42 / 50
50% inversion of configuration of molecules take place in a___________________?
43 / 50
The density of water may be__________________?
44 / 50
Modern periodic table has been divided in ___________ blocks?
45 / 50
Which one of the following reactants will be required to form straight chain alcohol by using Grignard reagent________________?
46 / 50
The number of moles of CO2 which contains 16 g of oxygen is__________________?
47 / 50
Metallic characters of alkali metals_____________________?
48 / 50
When toluene reacts with chlorine in sunlight the first major product is__________________?
49 / 50
Colour of fluorescene produced by cathode rays depends upon________________?
50 / 50
The partial pressure exerted by the water vapours is called_______________?
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