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Search Results for acids - All Grades

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Grade 6 Environmental Science
What is one natural source of gas that produces acid precipitation?
  1. car exhaust
  2. volcanoes
  3. cave systems
  4. factories
Grade 7 Environmental Science
CFC's, HCFC's and halons come from all of the below except:
  1. air conditioners
  2. refrigerators
  3. spray cans
  4. garbage
  5. computers
Grade 7 Environmental Science
Automobiles produce this when they burn gasoline:
  1. carbon dioxide
  2. acid rain
  3. nitrogen oxides
  4. ozone
Grade 9 Acids and Bases
Which of the following sets of acids form the primary component of acid rain?
  1. Carbonic acid, Sulfuric acid, Nitric acid
  2. Sulfuric acid, Phosphoric acid, Boric acid
  3. Carbonic acid, Hydrochloric acid, Acetic acid
  4. Nitric acid, Perchloric acid, Hydrofluoric acid
Grade 7 Environmental Science
Grade 7 Environmental Science
Grade 7 Atmosphere
Ozone in the upper atmosphere is also called:
  1. pollution
  2. man made
  3. Stratosphere
  4. Troposphere
Grade 9 DNA, RNA, and Genetics
The amino acid for the start codon AUG is
  1. methionine
  2. alanine
  3. proline
  4. serine
Grade 8 Biochemical Pathways
Where can lactic acid fermentation be found to occur?
  1. in bread that is rising
  2. in any environment without oxygen
  3. in muscle cells
  4. in mitochondria
Grade 9 Acids and Bases
Which of the following theories defines acid as a species that forms hydronium ion in water?
  1. Arrhenius theory
  2. Lewis acid-base theory
  3. Lowry-Bronsted theory
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