Chemistry Quiz 14
1 / 50
Which one of the following is a bridge element?
2 / 50
In melting of iron, which of the following reactions takes place in Bladt Furnace at 400?C- 600?C________?
3 / 50
Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide ?
4 / 50
The given dissociation constant (Ka) value 1.3?10-10 is of_________________?
5 / 50
Which of the following way in used for classification of chromatography ?
6 / 50
Which one has the lowest density at room temperature ?
7 / 50
Iodoform test can be used to distinguish between_________________?
8 / 50
Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?
9 / 50
Magnetic quantum number specifies___________?
10 / 50
Which of the following is most soluble on water?
11 / 50
Electric bulb filament is made of__________?
12 / 50
In which of the following layer of atmosphere there is more thickness of ozone layer ?
13 / 50
Which element is necessary for normal leaf development ?
14 / 50
Magnesium metal does not burn in the vessel containing_______________?
15 / 50
Heating phenol with Zn will yield_________________?
16 / 50
Atomic orbits having same energy are called________________?
17 / 50
All the following variables are used to describle gases except__________________?
18 / 50
Which gas is used for artificial ripening of green fruit ?
19 / 50
The complete reduction carboxylic acid results in the formation of________________?
20 / 50
Main source of organic compounds is__________________?
21 / 50
A process controlled by Distributive law is__________________?
22 / 50
Among the halogens the rare element is________________?
23 / 50
Which element can form tripositive ion ?
24 / 50
Michael Faraday discovered benzene in the gas which was produced by destructive distillation of vegetable oil that is done in________________?
25 / 50
The oxidation of isopropyl alcohol will yield___________________?
26 / 50
Which of the following possesses maximum hydration energy ?
27 / 50
Number of moles in 1 kg of solvent is called_________________?
28 / 50
First organic compound synthesized in laboratory was _________________?
29 / 50
The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?
30 / 50
Rate of filtration can be increased by applying gentle suction______________?
31 / 50
Combustion analysis is performed to determine__________________?
32 / 50
Ethyl chloride with nascent hydrogen produces_________________?
33 / 50
Any process of chemical decay of metals due to the action of surrounding medium is called__________________?
34 / 50
Common example of carbohydrates are__________________?
35 / 50
Homogeneous mixture of two or more than two compounds is called__________________?
36 / 50
Under what conditions the gases deviate from the ideal behavior ?
37 / 50
Which of the following aqueous solutions would have the highest boiling point?
38 / 50
At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?
39 / 50
The most paramagnetic element is____________________?
40 / 50
Which of the following is the formula of chrome red ?
41 / 50
A single atom or group of atoms which gives characteristic properties to a compound is called_________________?
42 / 50
Rutherford bombarded _________________ particles in discovery of nucleus?
43 / 50
The systematic name of sucrose is_______?
44 / 50
Which one of the following molecules does not form alcohol when reacts with Grignard reagent ?
45 / 50
A specie with maximum number of unpaired electrons ?
46 / 50
Which of the following has orange flavour__________________?
47 / 50
What is the Chemical formula of Zinc Hydroxide _________ ?
48 / 50
A method of separation of components from its solution using Distribution law is ___________________?
49 / 50
The ore CaSO4.H2O has the general name_______________?
50 / 50
Sintered crucible is made up of________________?
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