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Chemistry Quiz 22

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Chemistry Quiz 22

1 / 50

Which one of the following is not the use of graphite ?

2 / 50

The maximum number of orbitals present in a subshell that is represented by Azimuthal quantum number = 3 will be________________?

3 / 50

Which one of the following substances conducts electricity by the movement of ions ?

4 / 50

All the enthalpy changes are________________?

5 / 50

Sommerfelds modification in Bohrs model is_______________?

6 / 50

Which one of the following is also known as lactic acid ?

7 / 50

The main buffer system of the human blood is____________?

8 / 50

Bleaching powder is an example of________________?

9 / 50

Amylose is__________________?

10 / 50

Removal of halogen and hydrogen atom is_________________?

11 / 50

SO3 is not absorbed in water directly because__________________?

12 / 50

What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?

13 / 50

The type of hybridisation of boron in diborane is______?

14 / 50

Percentage of sulfuric acid in lead accumulator is__________________?

15 / 50

Which set of elements is listed in order of increasing ionization energy ?

16 / 50

Which one of the followings possesses melting point below 0?C?

17 / 50

The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is_____________________?

18 / 50

Formula of haloform is_________________?

19 / 50

In a group ionic radius ?

20 / 50

Which of the following is soluble in water?

21 / 50

Which of the following cannot exist in solution_________________?

22 / 50

Which one of the following statement is not correct about benzene ?

23 / 50

The number of isotopes of elements with even mass number and even atomic number are ________________?

24 / 50

The general formula of cycloalkene is __________________?

25 / 50

Sabatier Senderns reaction involve _____________ in presence of Ni?

26 / 50

Elements having high I.P values are____________________?

27 / 50

Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?

28 / 50

Unit of rate of reaction is_________________?

29 / 50

For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?

30 / 50

Acetic anhydride can be obtained by treating ethyl alcohol with___________________?

31 / 50

A catalyst can not effect__________________?

32 / 50

Linds method is employed for__________________?

33 / 50

Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate ?

34 / 50

Which sequence of steps is correct for the manufacture of cement ?

35 / 50

The PH of the 1.3 ? 10-4 NH4Cl is__________?

36 / 50

Critical temperature for different gases is different and depends upon______________?

37 / 50

Which of the following is not a condition for the formation of smog ?

38 / 50

Marsh gas is_______?

39 / 50

Beckmanns apparatus is used to measure_______________?

40 / 50

The carbon-carbon bond strength is maximum in__________?

41 / 50

Which one is not the partial pressure of oxygen in the lungs ?

42 / 50

Which of the following noble gases is not present in atmosphere?

43 / 50

Energy of reactant higher than energy of product favours

44 / 50

Which of the following terms is used for the mass of chlorine 35.5 ?

45 / 50

Total energy of a system is_________________?

46 / 50

The important monomers of acryclic resins is__________________?

47 / 50

Which of the following unit of concentration is independent of temperature ?

48 / 50

How many moles are in 22.2 grams of Calcium chloride, CaCl2?

49 / 50

Oxidation state +1 for phosphorous is found in___________?

50 / 50

Amphoteric exides are those which possess ____________ properties?

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