Chemistry Quiz 25

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Chemistry Quiz 25

1 / 61

Spontaneous reactions are_______________?

2 / 61

Which of the following compounds is not soluble in HNO3___?

3 / 61

Pressure in gas discharge tube was kept________________?

4 / 61

Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

5 / 61

The molecules of CO2 in dry ice form__________________?

6 / 61

Polyethylene Glycols are used in the preparation of which type of detergents?

7 / 61

If we provide very high amount of heat to a liquid its boiling point will__________________?

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K2 (Cu(CN)4) which one is correct___________________?

9 / 61

When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

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The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

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Which one of the following has polar covalent bond ?

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Deuterium reacts with oxygen to form________________?

13 / 61

Compounds having same molecular formula but differ in structural formula are called __________________?

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Electrolysis of dilute solution of NaCl results at the anode_______________?

15 / 61

An atom loses or gains electrons to__________________?

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Elements with similar chemical properties appear in the_________________?

17 / 61

For which mechanisms the first step involved is the same ?

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The non-ideal behaviour results chiefly from________________?

19 / 61

Ionic bond is produced after complete transfer of ________________ ?

20 / 61

Which of the following oxides of iodine is used for quantitative analysis of CO ?

21 / 61

Catalyst used to speed up the reaction of ammonia synthesis is________________________?

22 / 61

Hydrogenolysis results in the formation of________________?

23 / 61

Sum of protons and neutrons in an atom gives off _________ ?

24 / 61

Which one of the following is an inorganic fertilizer ?

25 / 61

By combining n atmic orbitals no. of hybrid orbitals will be__________________?

26 / 61

The use of antifreeze in the automobile radiator is an important application of__________________?

27 / 61

Size of filter paper is selected according to the amount of__________________?

28 / 61

Energy required to form transition state is called _________________?

29 / 61

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

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Which molecule has the highest bond energy among the halogens_________________?

31 / 61

Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

32 / 61

Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

33 / 61

How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

34 / 61

Phosphene gas will be produced if phosphorous acid is subjected to___________________?

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The ether used in Wurtz synthesis is__________________?

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Phosphorus is a Greek word and it means_________________?

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How many isotopes have odd atomic number ?

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The radioactive isotope of hydrogen is called___________?

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Which of the following statements about isotopes is correct ?

40 / 61

Pure metal__________________?

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Which ion will have maximum value of heat of hydration ?

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The word Alkali means__________________?

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The processes of effusion and diffusion are best understand by________________?

44 / 61

The carbon atom of carbonyl group is__________________?

45 / 61

The fertility of the soil is improved by________________?

46 / 61

Which discovery caused a revision in the periodic law as stated by Mendeleev ?

47 / 61

Allotropic form of phosphorus that is poisonous is___________________?

48 / 61

Animal fats are located particularly in__________________?

49 / 61

Which of the following is not considered as an intermolecular force between molecules ?

50 / 61

The strength of solution of an element whose electrode potential is to be measured is________________?

51 / 61

Reaction at anode is called________________?

52 / 61

Liquid crystal is discovered by __________________?

53 / 61

moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?

54 / 61

Co-enzymes are_________________?

55 / 61

Grignard reagent is reactive due to___________________?

56 / 61

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

57 / 61

Formalin is ___________ solution of formaldehyde in water?

58 / 61

In alkaline battery the anode is made up of______________________?

59 / 61

Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?

60 / 61

Solubility of any salt can be determined from_______________?

61 / 61

Requirement of macronutrient per acre of the land is_________________?

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