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Chemistry Quiz 1

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Chemistry Quiz 1

1 / 50

The pH of milk is_______?

2 / 50

In which of the following pairs are elements belonging to the same group ?

3 / 50

One mole of an ideal gas at 546.5 K under 2 atm pressure has a volume of________________?

4 / 50

The letters s p d and f are used to represent which quantum numbers________________?

5 / 50

Which of the following will be acidic_____________?

6 / 50

The determination of correct molecular weight from Raoults law is applicable to_________________?

7 / 50

0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?

8 / 50

Which of the following air pollutants is more dangerous for ozone layer ?

9 / 50

Which of the following is not characteristics of reversible reaction__________________?

10 / 50

When benzene is heated in air with V2O5 at 450?C yields_________________?

11 / 50

Which is true about Zn-Cu galvanic cell ?

12 / 50

The hydrogenation of phenol in the presence of Ni and heat gives_________________?

13 / 50

The mass of 3.2 moles of ammonia (NH3) gas?

14 / 50

A malleable solid is one which can be_________________?

15 / 50

Isomerism which is present only in alkene is__________________?

16 / 50

Parke?s process is used in the extraction of________?

17 / 50

The hardest of the following solids is__________________?

18 / 50

The organic compounds having very high molecular weight are called _________________?

19 / 50

Geometry of simple molecule having sp3 hybrid orbital is ___________________?

20 / 50

Stronger the oxidizing agent greater is the________________?

21 / 50

Which one can form complex ?

22 / 50

The hydrolysis of Benzenetrizonide will yield three moles of____________________?

23 / 50

Aluminium oxide is_________________?

24 / 50

Regular coiling or zigzagging of polypeptide through hydrogen bonding is its_______________?

25 / 50

When substance moves from a solid to a liquid state all of the following changes occur except__________________?

26 / 50

Transition elements, in general, exhibit the following properties, except one. Name that property?

27 / 50

Picric acid is_________________?

28 / 50

When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?

29 / 50

Benzene does not undergo___________________?

30 / 50

The Chemical Formula of Sand is___________?

31 / 50

Negative log of mular concentration of H+ ions is called___________________?

32 / 50

The nucleus of an atom of every element will always contain____________________?

33 / 50

The Branch of chemistry dealing with brewing and distilling is called _______ ?

34 / 50

Which of the following solutions of H2SO4 is more concentrated ?

35 / 50

Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?

36 / 50

When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen__________________?

37 / 50

The rate of reaction___________________?

38 / 50

The unit of the rate constant (k) is same as that of rate of reaction________________?

39 / 50

The purpose of Smelting an ore is to________?

40 / 50

The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?

41 / 50

Which of the following is not a fatty acid ?

42 / 50

When electron jump into orbit 1 then series obtained is___________________?

43 / 50

A safe and more reliable method for drying the crystal is__________________?

44 / 50

The value of e/m ratio of electron is________________?

45 / 50

Which one of the following will be sulphonated readily ?

46 / 50

All of the following substances are crystalline except_____________?

47 / 50

Protein attached to some non protein group is called____________________?

48 / 50

Nucleic acids direct the synthesis of__________________?

49 / 50

Which of the following is the weakest reducing agent ?

50 / 50

The mass of decimole of electrons (NA) is___________________?

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