Chemistry Quiz 5
1 / 50
Pentane and 2-methyl butance have the same_______________?
2 / 50
The compound or complex ion which has a ring in its structure__________________?
3 / 50
If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?
4 / 50
Which statement is consistent with Hunds rule ?
5 / 50
In Galvanic cell electrons flow from anode to cathode through__________________?
6 / 50
Milikan used ______________ in his atomizer?
7 / 50
The volume occupied by 1.4g CO at S.T.P is___________________?
8 / 50
Which one of the following species is not an electrophile ?
9 / 50
The percentage of suspended solid waste in raw water is removed by coagulation is__________________?
10 / 50
Rutherfords planet like structure was defective and unsatisfactory because_________________?
11 / 50
Energy required to remove electron from an atom______________?
12 / 50
Which of the following are isoelectronic species ?
13 / 50
If volumetric analysis methyl orange indicator is used when_________?
14 / 50
Nitrates of which pair gives different products on thermal decomposition___________________?
15 / 50
Activated complex is formed due to________________?
16 / 50
Alkanes containing a methyl group on main chain at 2nd carbon are called________________?
17 / 50
Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?
18 / 50
For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?
19 / 50
When two moles of ethyl chloride react with two moles of sodium in the presence of ether what will be formed ?
20 / 50
The halogen having highest electron affinity is_____________________?
21 / 50
If a buffer solution of higher pH than seven is to be made we use___________________?
22 / 50
Vapour pressure is not affected by_______________?
23 / 50
The location of transition elements is in between__________________?
24 / 50
The composition of ? Golden spangles is_________?
25 / 50
Traffic policemen on duty at busy street crossings during heavy traffic rush hours are advised to use:__________?
26 / 50
Pumping of water uphill is_______________?
27 / 50
Chlorination of toluene in the presence of sublight produces_________________?
28 / 50
Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?
29 / 50
Coal is produced after a long time decay of_________________?
30 / 50
Removal of CO2 is called_____________________?
31 / 50
A process used for the Concentration of Ore is________?
32 / 50
When alcohol reacts with phosphorous halides it geive____________________?
33 / 50
Which one of the following serve as aquatic solar fuel cell:
34 / 50
Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?
35 / 50
Safe and the most reliable method of drying crystals is through_________________?
36 / 50
When an active metal like Al comes in contact with less active element like Cu then it produces__________________?
37 / 50
The pressure during the molar heat of fusion is kept________________?
38 / 50
Substance which is found in dried up lakes of Tibet and California is_______________?
39 / 50
Elements of group IA IIA are _________________?
40 / 50
The rectified spirit contains________________?
41 / 50
The energy of one mole of photons of radiation, whose frequency is 4?10 14 Hz, is ___________?
42 / 50
The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?
43 / 50
The component of solution which is in smaller amount is called_________________?
44 / 50
If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
45 / 50
Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces_______________?
46 / 50
Which of the following elements react with steam to produce H2 gas?
47 / 50
What is the simplest form of matter ?
48 / 50
The practical problem in Hydrogen production is it:______________?
49 / 50
Which is used for artificial ripening of fruit ?
50 / 50
Which of the following will have the highest boiling point ?
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