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Chemistry Quiz 24

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Chemistry Quiz 24

1 / 50

Photographic plates are coated with a thin film of _________________?

2 / 50

The kinetic molecular theory of gases was put forward in 1738 by _____________________?

3 / 50

A great variety of the organic compounds is due to its property of carbon_________________?

4 / 50

The halogen which reacts spontaneously with gold (Au) to form Au+3 is ________________?

5 / 50

Which allotropic form of phosphorous is the most stable ?

6 / 50

The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?

7 / 50

The irritation caused by red ants bite is due to____________________?

8 / 50

the fractional distillation of petroleum produces gasoline up to ________________?

9 / 50

When the reaction completes in more than one steps rate of reaction will be determined by________________?

10 / 50

In the complex [Cr(OH)3(H2O)3] the coordination number is __________________?

11 / 50

Solution with maximum concentration of solute at given temperature is called________________?

12 / 50

Which one of the following looks odd__________________?

13 / 50

Geometric isomerism is usually found in___________________?

14 / 50

Calcarious material includes_________________?

15 / 50

In which compound of Xenon the oxidation state of Xenon is + 6?

16 / 50

Which one has maximum number of unpaired electrons ?

17 / 50

The metallurgical process in which a metal is obtained in a fused state is called__________?

18 / 50

A sample of an iron and oxygen ore has a mass of 35.8 grams. The iron in the compound has a mass of 27.9 grams. What is the percent iron in the ore?

19 / 50

In which of the following equilibria will Kc and Kp have the same value ?

20 / 50

The octet rule does not always hold for which of the following elements _________________?

21 / 50

Quantum number values for 3p orbitals are____________________?

22 / 50

In 1 ? pentene -4- yne the carbon exhibit hybridization_________________?

23 / 50

In the formation of Zwitter ions proton goes from____________________?

24 / 50

Seventh period contains _________________ normal elements ?

25 / 50

Which of the following is an amide________________?

26 / 50

In crystallization if the solvent is inflammable then direct heating is________________?

27 / 50

An alcohol which can be prepared by fermentation is_________________?

28 / 50

The number of molecules taking part in the rate determining step is called___________________?

29 / 50

The geometry of ammonia is___________________?

30 / 50

For which of the following compounds the term empirical formula cannot be applied ?

31 / 50

Which of the following molecule is polar__________________?

32 / 50

Which element was not known when Mendeleev proposed his classification ?

33 / 50

Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?

34 / 50

Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

35 / 50

Rate of reactions of most organic compounds are____________________?

36 / 50

Ionization energy in a period generally ___________________?

37 / 50

A single chlorine free radical can destroy how many ozone molecules ?

38 / 50

The molecules of which gas have highest speed?

39 / 50

A substance which increases the reactivity of enzyme is called_________________?

40 / 50

A double bond consists of __________________?

41 / 50

The percentage of nitrogen in urea is________________?

42 / 50

In sp3 hybridization the expected geometry of molecules will be__________________?

43 / 50

Compounds attracted by applied strong magnetic field are called__________________?

44 / 50

The ionization energy__________________?

45 / 50

Conjugated base of a weak acid is_________________?

46 / 50

Absolute alcohol is obtained when rectified spirit is treated with__________________?

47 / 50

The structure of ethyne is_________________?

48 / 50

Which of the following will decompose to produce litharge_________________?

49 / 50

Second ionization potential of alkali metals are very high due to_______________?

50 / 50

Phosphoric acid is a weak acid and its basicity is____________________?

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