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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
11

The brown coloration in nitric acid prepared in the laboratory can be removed by?

  • A. heating the acid
  • B. bubbling air through the acid
  • C. cooling the acid
  • D. adding a decolorizing agent
  • E. adding a base
View Answer & Discuss (7) JAMB 1981
12

Chlorine, bromine and iodine resemble each other in that all?

  • A. dissolve in alkalis
  • B. react violently with hydrogen without heating
  • C. displace each other from solutions of their salts
  • D. are gases
  • E. are liquids
View Answer & Discuss (19) JAMB 1980
13

Which of the following statement is false?

  • A. Acids react with some metals, liberating hydrogen
  • B. Acids react with carbonates, liberating carbondioxide
  • C. Acids conduct electricity and are decomposed by the current, liberating hydrogen at the anode
  • D. Acids have a sour taste
  • E. Acids change the colour of indicators
View Answer & Discuss (24) JAMB 1980
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14

The colour of litmus in a neutral medium is

  • A. purple
  • B. pink
  • C. yellow
  • D. orange
View Answer & Discuss (5) JAMB 2014
15

The option above shows the PH changes for the titration of a

  • A. strong acid versus strong base
  • B. weak acid versus strong base
  • C. strong acid versus weak base
  • D. weak acid versus weak base
View Answer & Discuss (14) JAMB 1995
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group