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Chemistry Quiz 7

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Chemistry Quiz 7

1 / 50

Amino acids present in cheese___________________?

2 / 50

Every sample of matter with uniform properties and fixed composition is called_________________?

3 / 50

Radiations are harmful as it:___________?

4 / 50

Which one of following amino acid is neither acidic nor a basic in nature ?

5 / 50

The mechanism by which the genetic information can be duplicated is called_________________?

6 / 50

Which acid is the manufacture of synthetic rubber ?

7 / 50

Which compound shows hydrogen bonding ?

8 / 50

Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?

9 / 50

Water molecule is________?

10 / 50

Which of the following ion formation is always exothermic ?

11 / 50

Which specie has unpaired electrons in antibonding molecular orbitals_______________?

12 / 50

Which one is not the use of silicones________________________?

13 / 50

Why does Ethyl Alcohol show high boiling point then Acetone?

14 / 50

Atom with higher atomic number produces X-rays of__________________?

15 / 50

Bond will beionic when E.N difference of bonded atom is ____________________?

16 / 50

Which of the following is a macro nutrient ?

17 / 50

10ml of alcohol dissolve in 90ml of water unit of concentration used is________________?

18 / 50

The main buffer system of the human blood is____________?

19 / 50

The absolute value of charge on electron was determined by ________ ?

20 / 50

Density of H2SO4 in lead accumulator is__________________?

21 / 50

First ionization potential of alkaline earth metal is greater than alkali metals because___________________?

22 / 50

Ionization energy depends upon____________________?

23 / 50

Chemical used in salt bridge is________________?

24 / 50

The potassium present in plant help the plant to___________________?

25 / 50

Colour in transition metal compounds is attributed to____________?

26 / 50

Elimination bimolecular reactions involve____________________________?

27 / 50

Which of the following will not give addition reaction with NaHSO3________________?

28 / 50

Which of the following substances does not give iodoform test ?

29 / 50

The degree of dissociation of week electrolyte increases as________________?

30 / 50

Identification of the components of a sample is_________________?

31 / 50

Which one of the following is caustic potash?

32 / 50

Sodium benzoate and benzoic acid are mixed in equimolar ration to form buffer if pKa is 2 what will be the pH ?

33 / 50

Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________?

34 / 50

The correct electronic configuration of Cr is____________________?

35 / 50

Inner transition elements are called _________________?

36 / 50

Reaction which proceeds in both directions is called_______________?

37 / 50

Direct conversion of solids into vapours is called ___________________?

38 / 50

Which of the following technique is used for the separation of insoluble particles from liquids ?

39 / 50

In K2Cr2O7 the oxidation number of chromium is____________________?

40 / 50

Which of the following does not give Borax bead test ?

41 / 50

Which of the following do not give aldol condensation reactions ?

42 / 50

Which of the following can be separated by ? Sublimation Method??

43 / 50

The PH of Tears is __________?

44 / 50

Ammonia may be prepared by heating ammonium chloride with_______________?

45 / 50

Which of the following effects best explains that o-nitrophenol is insoluble in water?

46 / 50

The central atom along with ligands is called____________________?

47 / 50

Empirical formula of chloroform is____________________?

48 / 50

Octane number 2 2 4-trimethyl pentane is________________?

49 / 50

Which of the elements show passivity when treated with conc. HNO3?

50 / 50

Which of the following methods is used to estimate hydrogen in an organic compound ?

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