Chemistry Quiz 25

0%
0

Chemistry Quiz 25

1 / 61

In alkaline battery the anode is made up of______________________?

2 / 61

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

3 / 61

An atom loses or gains electrons to__________________?

4 / 61

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

5 / 61

The fertility of the soil is improved by________________?

6 / 61

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

7 / 61

Liquid crystal is discovered by __________________?

8 / 61

Animal fats are located particularly in__________________?

9 / 61

The carbon atom of carbonyl group is__________________?

10 / 61

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

11 / 61

Deuterium reacts with oxygen to form________________?

12 / 61

Formalin is ___________ solution of formaldehyde in water?

13 / 61

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

14 / 61

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

15 / 61

Phosphorus is a Greek word and it means_________________?

16 / 61

Energy required to form transition state is called _________________?

17 / 61

The non-ideal behaviour results chiefly from________________?

18 / 61

Electrolysis of dilute solution of NaCl results at the anode_______________?

19 / 61

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

20 / 61

Which of the following statements about isotopes is correct ?

21 / 61

Spontaneous reactions are_______________?

22 / 61

Allotropic form of phosphorus that is poisonous is___________________?

23 / 61

How many isotopes have odd atomic number ?

24 / 61

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

25 / 61

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

26 / 61

Which molecule has the highest bond energy among the halogens_________________?

27 / 61

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

28 / 61

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

29 / 61

Ionic bond is produced after complete transfer of ________________ ?

30 / 61

Grignard reagent is reactive due to___________________?

31 / 61

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

32 / 61

The word Alkali means__________________?

33 / 61

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

34 / 61

Requirement of macronutrient per acre of the land is_________________?

35 / 61

The radioactive isotope of hydrogen is called___________?

36 / 61

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

37 / 61

The ether used in Wurtz synthesis is__________________?

38 / 61

Which one of the following has polar covalent bond ?

39 / 61

Solubility of any salt can be determined from_______________?

40 / 61

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

41 / 61

Reaction at anode is called________________?

42 / 61

For which mechanisms the first step involved is the same ?

43 / 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 ?

44 / 61

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

45 / 61

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

46 / 61

Pressure in gas discharge tube was kept________________?

47 / 61

Which one of the following is an inorganic fertilizer ?

48 / 61

Co-enzymes are_________________?

49 / 61

Which ion will have maximum value of heat of hydration ?

50 / 61

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

51 / 61

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

52 / 61

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

53 / 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 ?

54 / 61

Hydrogenolysis results in the formation of________________?

55 / 61

The processes of effusion and diffusion are best understand by________________?

56 / 61

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

57 / 61

The molecules of CO2 in dry ice form__________________?

58 / 61

Elements with similar chemical properties appear in the_________________?

59 / 61

Pure metal__________________?

60 / 61

Which of the following compounds is not soluble in HNO3___?

61 / 61

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

Provide Your Information

Your score is

The average score is 0%

0%

Qunoot e Nazilah
Dua e Hajat
4 Qul
6 Kalma
Dua-e-Akasha
Darood Akbar
Surah Fatiha
Dua-e-Ganj Ul Arsh
Dua-e-Jamilah
Ayat-ul-Kursi