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Chemistry Past Questions and Answers

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Chemistry Questions

Question 2801:

Which of the following equipment is not used to detect radioactivity?

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A Wilson cloud chamber
B Geiger- muller counter
C Mass spectrometer
D Photographic plate

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Question 2802:

The method of collection of gases prepared in the laboratory depend on their

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A Odour and atomicity
B Colour and odour
C Atomicity and density
D Solubility and density

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Question 2803:

Which of the following pairs of salts undergo hydrolysis?

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A AlCI<sub style='font-size: smaller;'>3</sub> and NH<sub style='font-size: smaller;'>4</sub>CI
B AICI<sub style='font-size: smaller;'>3</sub> and NaCI
C FeCI<sub style='font-size: smaller;'>3</sub> and KCI
D Na<sub style='font-size: smaller;'>2</sub>SO<sub style='font-size: smaller;'>4</sub> and K<sub style='font-size: smaller;'>2</sub> SO<sub style='font-size: smaller;'>4</sub>

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Question 2804:

The alloy used extensively in the building industry is

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A Steel
B Bronze
C Duralumin
D Type metal

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Question 2805:

Which of the following salts is not prepared by precipitation?

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A Lead (ll) trioxocarbonate (lV)
B Barium trioxocarbonate (IV)
C Sodium trioxocarbnate (IV)
D Calcium trioxocarbonate (IV)

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