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Search Results for hydrogen - All Grades

570 questions match "hydrogen". Refine Your Search

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Grade 10 Bonds and Mixing
Grade 8 Bonds and Mixing
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
College Bonds and Mixing
Hydrogen bonds are:
  1. Non-polar
  2. Neutral
  3. Unattractive
  4. Polar
Grade 8 Universe
Grade 7 Molecules and Compounds
A molecule of sugar contains carbon and
  1. hydrogen.
  2. oxygen.
  3. sodium.
  4. hydrogen and oxygen.
Grade 8 Molecules and Compounds
Grade 8 Periodic Table and Elements
Which statement is true? Hydrogen
  1. supports combustion
  2. burns with a pale blue flame in air and forms water
  3. is an explosive substance
  4. occurs abundantly in the atmosphere
College Bonds and Mixing
Hydrogen bonds have
  1. An unequal charge distribution
  2. An equal charge distribution
  3. A neutral charge distribution
  4. No charge
Grade 11 Periodic Table and Elements
Grade 10 Molecules and Compounds
Grade 9 Periodic Table and Elements
The most hydrogen on earth is found in
  1. oxygen
  2. air
  3. water
  4. hydrogen
Continuing Education Hairdressing
Hydrogen bonds can be broken by:
  1. only water
  2. only heat
  3. either water or heat
  4. neither water nor heat
Grade 8 Periodic Table and Elements
Grade 6 Sun
The chemical makeup of the Sun is
  1. hydrogen and oxygen
  2. oxygen and helium
  3. hydrogen and helium
  4. hydrogen, helium, and sulfate
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