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IGCSE O Level Chemistry Study Guide: Mock Test 62

Periodic Table: O Level Chemistry MCQs (Multiple Choice Questions) PDF Download - 62

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The Periodic Table O Level Chemistry Multiple Choice Questions (MCQ) with Answers PDF (Periodic Table O Level Chemistry MCQs PDF e-Book) download Ch. 14-62 to learn IGCSE O Level Chemistry Practice Tests. Study Structure of Atom quiz answers PDF, Periodic Table O Level Chemistry Multiple Choice Questions (MCQ Quiz) to study online IGCSE courses. The IGCSE O Level Chemistry MCQ App Download: Free Periodic Table: O Level Chemistry App to learn periodic table: o level chemistry, ph scale: acid and alkali, strong and weak acids, paper chromatography, measuring speed of reaction test prep for online bachelor degree programs.

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Periodic Table: O Level Chemistry MCQ with Answers PDF Download: Quiz 62

MCQ: 306

First element in periodic table to have 8 valence electrons is

  1. nitrogen
  2. oxygen
  3. fluorine
  4. neon
MCQ: 307

Soda water (H2CO3(aq)) has a pH of

  1. 1
  2. 2
  3. 3
  4. 4
MCQ: 308

Consider the equation Al2O3 + NaOH + H2O →NaAl(OH)4. Balancing of the equation requires how many moles of NaOH?

  1. 1
  2. 2
  3. 3
  4. 4
MCQ: 309

Chromatography is especially useful for

  1. foods only
  2. drugs only
  3. salt solutions
  4. food and drugs
MCQ: 310

While plotting decrease in mass against time, a flat curve shows

  1. fastest reaction
  2. reaction is slower
  3. that the reaction is over
  4. that the reaction is endless

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