1.
An example of an oxide ore is
2.
Froth floatation process involves the
3.
In a metallurgical process, an acid flux is used for removing
4.
On rubbing, when one body gets positively charged and other negatively charged, the electrons transferred from positively charged body to negatively charged body are
5.
Which of the following metal is obtained by self reduction method?
6.
Which one of the following ore is best concentrated by froth floatation method?
7.
Which of the following pairs of metals is purified by Van Arkel method?
8.
The ore which contains both copper and iron
9.
Chief ore of aluminium is
10.
Which one of the following metal having least chemical reactive?
11.
More common oxidation state for halogens is
12.
Noble gases are chemically inert. This is due to
13.
Which element has a greater tendency to form a chain of bonds with itself?
14.
Which one of the following is the strongest oxidising agent?
15.
Some elements exist in more than one crystalline or molecular forms in the same physical state is called
16.
How many allotropes possible for boron?
17.
Important ore of boron is
18.
Less reactive elements in boron family is
19.
More toxic element in boron family is
20.
Boron does not react directly with
(i) the torque on the dipole is
(ii) the potential energy of the system is
(iii) the resultant force on the dipole is zero. Choose the correct option.
21.
Which one of the following ore is best concentrated by froth floatation method?
22.
Which of the following pairs of metals is purified by Van Arkel method?
23.
Chief ore of aluminium is
24.
Which one of the following metal having least chemical reactive?
25.
About 78% of earth atmosphere contains
26.
Which one of the following shows isotopes?
27.
Nitrogen gas in atmosphere is separated industrially from liquid air by
28.
Bond order for nitrogen molecule is
30.
When ammonia reacts with copper sulphate solution to give complex, the colour of complex is,
32.
Nitric acid prepared in large scales using
33.
Benzene undergoes nitration reaction to form nitrobenzene in this reaction takes place due to the formation of
34.
The elements whose atom has incomplete d sub shell are called
35.
Which one of the following is the other name of d block elements?
36.
Which metals play an important role in the development of human civilization?
37.
Which transition element is used in light bulb filaments?
38.
Which metal is used in manufacturing artificial joints?
39.
Which transition metal is applied in the manufacturing of boiler plants?
40.
Identify the transition metal present in Hemoglobin?
41.
Which of the following d block elements has the highest electrical conductivity at room temperature?
42.
Which of the following transition element exhibit only +3 oxidation state?
43.
Which one of the following transition element has maximum oxidation states?
44.
Which one of the following is an example of coordination compound?
45.
Which one of the following is not an example of complex salt?
46.
Which one of the complex salt is acting as a photo sensitiser in photosynthesis process?
47.
The complex compound act as oxygen transporter of human is
48.
Geometrical isomerism is exhibited by
49.
VB theory was proposed by
50.
Bethe and Van vleck proposed a coordination theory named as
51.
Which one of the following is an example for molecular crystals?
52.
Which one of the following is a covalent crystal?
53.
Which is used inside pencils and in many lubricants?
54.
In non polar molecular solids, molecules are held together by
55.
Which one of the following is non polar molecular solids?
56.
Silicon carbide is an example of
57.
Naphthalene is an example of
58.
Each atom in the corner of the cubic unit cell is shared by how many unit cells?
59.
Which is the coordination number of each atom in a simple cubic unit cell?
60.
The number of atoms belongs to bcc unit cell is
61.
Alternating current can not be measured by D.C. ammeter, because
62.
Consider the following statement.
(i). In ionisation of cyclopropane, if the concentration of cyclopropane is reduced half, the rate increases twice.
(ii). The rate of the reaction depends upon the concentration of the reactant.
(iii). Order values must be determined experimentally.
Which of the above statement(s) is / are not correct?
63.
Consider the following statements.
(i) Rate of the reaction does not depend on the initial concentration of the reactants.
(ii) Rate constant of the reaction depends on the initial concentration of reactants.
(iii) Rate constant of the reaction is equal to the rate of the reaction, when the concentration of each of the reactants is unity.
Which of the above statement(s) is / are not correct?
64.
Consider the following statements.
(i) Order cannot be zero.
(ii) Molecularity can be zero (or) fractional (or) integer.
(iii) Order can be determined only by experiment.
Which of the above statement(s) is / are not correct?
65.
The order of decomposition of acetaldehyde is
66.
What is the order of isomerisation of cyclopropane to propene?
67.
Which one of the following is called pseudo first order reaction?
68.
Which of the following is an example of zero order reaction?
69.
The half life period of first order reaction is 10 seconds. What is the time required for 99.9% completion of that reaction?
70.
Which one of the following does not affect the rate of the reaction?
71.
Which of the following is not a lewis acid?
72.
Pick out the incorrect statement regarding lewis acids and bases.
73.
HCI is a strong acid since
74.
Ionic product of water increases when
75.
An aqueous solution with pH value zero is
76.
The pH of pure water at 25 degree C is
77.
pH of buffer depends upon concentration of
78.
The condition for a compound to be precipitated is
79.
Which among the following is incorrect regarding acids?
80.
Degree if disassociation is nearly equal to 1 for
81.
Which one of the following solution has highest equivalent conductance?
82.
Which among the following is the strongest reducing agent?
83.
A device in which spontaneous chemical reaction generated electric current.
84.
Kohlraush’s law is applied to calculate
85.
The laws of electrolysis were enunciated first by
86.
When one coulomb of electricity is passed through an electrolytic solution, the mass deposited on the electrode is equal to
87.
Faraday’s laws of electrolysis are related to
88.
When sodium acetate is added to acetic acid, the degree of ionisation of acetic acid
89.
Which among the following does not affect adsorption?
90.
Which of the following is true regarding Freundlich adsorption isotherm equation?
92.
Adsorption is accompanied by
93.
Which of the following interface cannot be obtained?
94.
Which among the following is an example of absorption?
95.
Fog is a colloidal solution of
96.
The intermediate compound formation theory does not explain
97.
Which one of the following is correctly matched?
98.
Which one of the following does not involve coagulation?
99.
Which one of the alcohol cannot be prepared by Grignard reagent?
100.
Which is optically active?
