Chemistry Quiz 18
1 / 50
Which one is a conductor but is not malleable ?
2 / 50
Which of the following statements is true about plasma________________?
3 / 50
Bucky balls is an allotropic from of__________________?
4 / 50
Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?
5 / 50
R-Mg-Br is called___________________?
6 / 50
Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?
7 / 50
The properties of an element mosly corresponds to that isotope which has greater_________________?
8 / 50
The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?
9 / 50
For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ?
10 / 50
The molal boiling point constant is the ration of the elevation of boiling point to____________________?
11 / 50
For the reaction 2HI ____________> H2+ I2
12 / 50
In an electrolytic cell current flows ?
13 / 50
Bohrs model is contradicted by__________________?
14 / 50
Chlorination of water may be harmful if the water contains_________________?
15 / 50
The science of fermentation is called _______ ?
16 / 50
What is the molecular weight of Ammonia (NH3) ________ ?
17 / 50
As a substance moves from a solid to a liquid all of the following changes occur except ?
18 / 50
Higher value of electron affinity means__________________?
19 / 50
Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?
20 / 50
A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?
21 / 50
Boron in soil has been considered micronutrient for_________________?
22 / 50
Reactivity due to pi-electrons is present in_________________?
23 / 50
The rectified spirit is________________?
24 / 50
Compound containing benzene ring in their structure are __________________?
25 / 50
The solvent or mixture of solvents used for separation of compounds is called____________________?
26 / 50
Molecular orbitals are filled according to _________________?
27 / 50
The metal which is used in thermite process because of its activity is____________________?
28 / 50
Which element has same isotopes like palladium___________________?
29 / 50
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of____________?
30 / 50
Which of the following is not a heavy industry ?
31 / 50
The stationary and mobile phases in paper chromatography are____________?
32 / 50
Chemical equilibrium state is_______________?
33 / 50
The process in which solid changes directly into vapours without passing through liquid state?
34 / 50
Phosphorus helps in the growth of_________________?
35 / 50
The major steps involved in complete quantitative analysis are _________________?
36 / 50
The organic acid that does not has COOH group is___________________?
37 / 50
The term internal salt refers to_____________________?
38 / 50
SN2 reaction can be best carried out with__________________?
39 / 50
During which process empty spaces between particles become minimum ?
40 / 50
Angle of deflection was studied by________________?
41 / 50
Ethanol can be converted into ethanoic acid by_________________?
42 / 50
By the addition of base in waterpH will be_______________?
43 / 50
Raney nickel is prepared from ______________________ by treating with caustic soda?
44 / 50
What is the molecular formula of Benzenetriozonide ?
45 / 50
A real gas obeying vander waals equation will resemble the ideal gas if_______________________?
46 / 50
The common thing in phthalic acid and oxalic acid is that both are_________________?
47 / 50
Which of the following statements is incorrect about fluorine_______________?
48 / 50
Vapour pressure of water at 100?C is___________________?
49 / 50
Carbohydrates are polyhydroxy compounds of___________________?
50 / 50
Diameter of an atom is in the order of________________?
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