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Chemistry Quiz 3

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Chemistry Quiz 3

1 / 50

Water of crystallization can be removed by________________?

2 / 50

Selection of filter paper depends on size of particles to be________________?

3 / 50

Li is different from its family members due to____________________?

4 / 50

Two fundamental ways to transfer energy are________________?

5 / 50

Hydrogen resembles with carbon because of having________________?

6 / 50

The first organic compound was synthesized in laboratory by_________________?

7 / 50

Which of the following is the best explanation that CO2 is non polar molecule __________________?

8 / 50

Alpha particles can be detected by using___________?

9 / 50

Neutrons moving with an energy of 1.2 MeV are called_______________?

10 / 50

Which of the following is a substance?

11 / 50

Benzene is heated in air with V2O5 at 450?C it undergoes________________?

12 / 50

Keeping in view the size of atom which order is correct one ?

13 / 50

Acetophenone is a_____________________?

14 / 50

Aqueous solution of borax above 62?C gives crystals of________________?

15 / 50

When ? COOH is attached directly to the benzene ring the acid is called__________________?

16 / 50

Which of the following is solid?

17 / 50

Enthalpy of a reaction can be measured by ____________________?

18 / 50

Azimuthal quantum number defines___________?

19 / 50

Quantum number which tells the energy of electron is________________?

20 / 50

In order to mention the boiling point of water at 110?C the external pressure should be ?

21 / 50

The process of fermentation of starch involve many enzymes the sequence of enzymes used are____________________?

22 / 50

Fluorine can react with_________________?

23 / 50

Newspaper can be recycled again and again how many times ?

24 / 50

Introduction of nitro group in a molecule is called___________________?

25 / 50

The main product of bacterial action is_________________?

26 / 50

Acetaldehyele cyanohydrin on acid hydrolysis yields___________________?

27 / 50

Cassiterite is an ore of_______?

28 / 50

Which Oxide of Manganese is amphoteric?

29 / 50

Addition of 2nd electron to a uni negative ion is always____________________?

30 / 50

Which of the following reaction is not shown by ketones ?

31 / 50

Ether functional group can be represented as ____________________?

32 / 50

The atoms of same element having same atomic number but different mass number are called____________________?

33 / 50

Which of the following option is incorrect about gases ?

34 / 50

Which one of the following does not show hydrogen bonding?

35 / 50

The number amino acid units for each turn of helix on average are____________________?

36 / 50

What will be the pressure of 1 mole of an ideal gas maintained at 300 K and 250cm3 volume ?

37 / 50

Potassium Permanganate is used for purifying drinking water, because_________?

38 / 50

When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?

39 / 50

The number of lone pairs in XeOF4 is_________?

40 / 50

Ethers show functional group isomerism with __________________?

41 / 50

The bond length of C=C is___________?

42 / 50

Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

43 / 50

Bond order for N2 molecule is __________________?

44 / 50

Which alkyl halide has the highest reactivity for a particular alkyl group ?

45 / 50

Which one of the following is a state function ________________?

46 / 50

For industrial preparation of CH3CHO catalytic promoter is_________________?

47 / 50

A technique of partition chromatography in which the solvent is in a pool at the bottom of container_______________?

48 / 50

In SI base units, 1 Bq is equal to __________ ?

49 / 50

Which of the following statements is wrong about isotopes ?

50 / 50

Effective volume is usually taken for ____________ ?

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