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Chemistry Quiz 19

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Chemistry Quiz 19

1 / 50

Periodic table provides a basic framework to study elements with respect to their__________________?

2 / 50

Which among the following is not a property of Ionic bond _________?

3 / 50

The main pollutant of leather tanneries in the waste water is____________________?

4 / 50

For determining the order of reaction we use__________________?

5 / 50

Which set of quantum numbers is not allowed?

6 / 50

Energy of activation for backward reaction is less than forward reaction for ___________ reactio?

7 / 50

Residence time of methane in the atmosphere is___________________?

8 / 50

The sequence of zones in the rotary kiln are as____________________?

9 / 50

The density of a gas is 1.964 g dm-3 at 273 K and 76 cm Hg. The gas is _________?

10 / 50

Molozonide is unstable and changes into ozonide on_________________?

11 / 50

Which one of the following is not an alkali metal ?

12 / 50

Cannizzaros reaction is not given by__________________?

13 / 50

What is the mass of one mole of Iodine?

14 / 50

The common name of propane 1 3-dioic is_________________?

15 / 50

BeCl2 has the hybrid orbitaks of type_______?

16 / 50

ppm means________________?

17 / 50

The compound (CH3)3COH according to IUPAC is known as ___________?

18 / 50

Decrease in oxidation number is called__________________?

19 / 50

In partially miscible liquids the two layers are___________________?

20 / 50

When a graph is plotted between 1/T on X-axis and log k on y-axis a straight line is obtained with a negative slope which has two end in__________________?

21 / 50

The PH of pure water at 25?C, kw=1?10-4____________?

22 / 50

Acid present in acid rain may be__________________?

23 / 50

Carboxylic acid on reduction with HI / phosphorous yields_________________?

24 / 50

A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?

25 / 50

Which is not related pair of term used in analytical techniques________________?

26 / 50

Which one of the following compounds usually smells like garlic ?

27 / 50

Which group contains elements that exist as monoatomic molecule?

28 / 50

Isomorphic substances have _______________?

29 / 50

Which solids are called true solids _______________?

30 / 50

The highest temperature at which a substance can exist as a liquid is called its______________?

31 / 50

The colour of chlorine gas is_______________?

32 / 50

The anhydride of HCIO4 is_________________?

33 / 50

Which one is not the absolute term of the element _________________ ?

34 / 50

Which one is not state function ________________?

35 / 50

A substance having very high vapour pressure at its melting point on heating will show_______________?

36 / 50

Crystallites are present in_________________?

37 / 50

Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called______________?

38 / 50

Acetal on acid hydrolysis generates__________________?

39 / 50

Which one of following is not a property of pure quartz ?

40 / 50

Animal and vegetable fats are___________________?

41 / 50

Essential amino acids are___________________?

42 / 50

Alpha (?) particles are helium (He) nucleus with a charge of __________ ?

43 / 50

Which is fused cyclic aromatic compound _____________________?

44 / 50

When SO2 solution is passed over which of the following it turns green?

45 / 50

Sum of exponents of molar concentration is called___________________?

46 / 50

When the value of Kc is very small then_______________________?

47 / 50

Oxidation of primary alcohol gives________________?

48 / 50

58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?

49 / 50

Which one of the following raw material is not present in the cement ?

50 / 50

Which of the following reagents will react with both aldehydes and ketones ?

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