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Chemistry Quiz 20

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Chemistry Quiz 20

1 / 50

Which of the following points are important in connection with equilibrium constant ?

2 / 50

Purines and pyrimidines are_________________?

3 / 50

Molar heat of vaporization of water is_________________?

4 / 50

Which of the following is different with respect to physical appearance ?

5 / 50

Which is carnalite________________?

6 / 50

Capacity of one lead accumulator cell is___________________?

7 / 50

Which of the following potassium fertilizers are more useful for horticultural crops tobacco & potatoes ?

8 / 50

Which has strongest bonding in the solid state ?

9 / 50

Aniline is a derivative of benzene which contains__________________?

10 / 50

Soda lime is a mixture of____________________?

11 / 50

The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called__________________?

12 / 50

In which compound nitrogen has maximum oxidation state____________________?

13 / 50

The type of filtering media used for filtration depending upon____________________?

14 / 50

The maximum number of electron in a sub shell with ? = 3fs______________?

15 / 50

Following are the anions of soap which form Ca and Mg ions which we see as curd in water

16 / 50

When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is _________________?

17 / 50

At low temperature and pressure cracking can be done in presence of catalyst________________?

18 / 50

The phenomenon in which a compound exists in two or more crystalline forms is called ________________?

19 / 50

Propene can exhibit________________?

20 / 50

The halogen which reacts very slowly with halogen is________________?

21 / 50

When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

22 / 50

Quantum numbers are __________ ?

23 / 50

Vinyl acetylene combines with hydrochloric acid produces___________________?

24 / 50

According to Journal of Biological Chemistry 158, human brain and heart are composed of ________water?

25 / 50

Voltaic cell is a_________________?

26 / 50

A polymer in which three different monomers combine called_____________?

27 / 50

Molecular mass of water (18g) means__________________?

28 / 50

Covalent network crystals have_____________?

29 / 50

Sodium is not observed in +2 oxidation state because of its__________________?

30 / 50

Radiations are absorbed in_______________?

31 / 50

Which of the following factors help to measure quallity of water ?

32 / 50

The preparation of benzene from acetylene can also be said as_________________?

33 / 50

Which one of the following acids is present in lemon juice ?

34 / 50

Planks theory says energy is emitted__________________?

35 / 50

The property of carbon chain formation is called _________________?

36 / 50

Rising of a wetting liquid in a capillary tube is due to__________________?

37 / 50

Best position of hydrogen in the periodic table is above I.A Group which is mainly due to_______________?

38 / 50

DAP (Diammonium hydrogen phosphate) contains ______________ plant nutrients?

39 / 50

When Ammonia is used as a refrigerant in vapour compression cycle?

40 / 50

Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?

41 / 50

In a group, atomic radii increase due to successive increase of _________ ?

42 / 50

Dry distillation of calcium acetate results in the formation of_________________?

43 / 50

The most commonly used bleaching agent is_________?

44 / 50

Purines and pyrimidines are__________________?

45 / 50

The precess in which larger molecule with higher molecular weight breaks down into smaller moleucles with lower molecular weight____________________?

46 / 50

The soul of chemistry is dealing with___________?

47 / 50

The Boiling Point of Ethyl Alcohol is_________?

48 / 50

Which of the following can be used as anti-knocking agent ?

49 / 50

Boron is non-netal whereas A1 is metal. It is due to_______________________?

50 / 50

The fertilizers which provide single nutrient from NPK are called ___________ fertilizer?

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