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Chemistry Quiz 5

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Chemistry Quiz 5

1 / 50

The volume occupied by 1.4g CO at S.T.P is___________________?

2 / 50

The percentage of suspended solid waste in raw water is removed by coagulation is__________________?

3 / 50

The composition of ? Golden spangles is_________?

4 / 50

The rectified spirit contains________________?

5 / 50

The halogen having highest electron affinity is_____________________?

6 / 50

Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?

7 / 50

Safe and the most reliable method of drying crystals is through_________________?

8 / 50

Nitrates of which pair gives different products on thermal decomposition___________________?

9 / 50

In Galvanic cell electrons flow from anode to cathode through__________________?

10 / 50

Elements of group IA IIA are _________________?

11 / 50

Which statement is consistent with Hunds rule ?

12 / 50

Which of the following will have the highest boiling point ?

13 / 50

The practical problem in Hydrogen production is it:______________?

14 / 50

Milikan used ______________ in his atomizer?

15 / 50

Pentane and 2-methyl butance have the same_______________?

16 / 50

Rutherfords planet like structure was defective and unsatisfactory because_________________?

17 / 50

The compound or complex ion which has a ring in its structure__________________?

18 / 50

Chlorination of toluene in the presence of sublight produces_________________?

19 / 50

Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces_______________?

20 / 50

Which of the following elements react with steam to produce H2 gas?

21 / 50

Vapour pressure is not affected by_______________?

22 / 50

If volumetric analysis methyl orange indicator is used when_________?

23 / 50

Traffic policemen on duty at busy street crossings during heavy traffic rush hours are advised to use:__________?

24 / 50

Which of the following are isoelectronic species ?

25 / 50

The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?

26 / 50

If a buffer solution of higher pH than seven is to be made we use___________________?

27 / 50

Activated complex is formed due to________________?

28 / 50

If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?

29 / 50

The component of solution which is in smaller amount is called_________________?

30 / 50

The location of transition elements is in between__________________?

31 / 50

For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?

32 / 50

The pressure during the molar heat of fusion is kept________________?

33 / 50

Which one of the following species is not an electrophile ?

34 / 50

Pumping of water uphill is_______________?

35 / 50

Which one of the following serve as aquatic solar fuel cell:

36 / 50

When an active metal like Al comes in contact with less active element like Cu then it produces__________________?

37 / 50

Energy required to remove electron from an atom______________?

38 / 50

Alkanes containing a methyl group on main chain at 2nd carbon are called________________?

39 / 50

Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?

40 / 50

Which is used for artificial ripening of fruit ?

41 / 50

When two moles of ethyl chloride react with two moles of sodium in the presence of ether what will be formed ?

42 / 50

A process used for the Concentration of Ore is________?

43 / 50

When alcohol reacts with phosphorous halides it geive____________________?

44 / 50

Substance which is found in dried up lakes of Tibet and California is_______________?

45 / 50

Removal of CO2 is called_____________________?

46 / 50

Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?

47 / 50

If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?

48 / 50

Coal is produced after a long time decay of_________________?

49 / 50

The energy of one mole of photons of radiation, whose frequency is 4?10 14 Hz, is ___________?

50 / 50

What is the simplest form of matter ?

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