Class IX

Measurable or numerical information is called:
  1. qualitative data
  2. quantitative data
  3. a variable
  4. a hypothesis
What is the word for a measure of the force of gravity on an object?
  1. friction
  2. mass
  3. velocity
  4. centripetal force
Most commonly used bleaching agent is
  1. Alcohol
  2. Carbon dioxide
  3. Chlorine
  4. Sodium chloride
Which of these elements is a noble gas?
  1. krypton
  2. oxygen
  3. hydrogen
  4. hydrogen
Potassium chloride contains K -
  1. 18%
  2. 48%
  3. 44%
  4. 60%
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