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The Science Quiz #2

The quiz has Chemistry, Physics and Biology questions on a range of topics! 8 Questions.

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Question 1 Photo

What is the name of the solution produced in the following reaction : CaCO3 + 2HCl ---> CaCl2 + H2O + CO2?

  • Calcium Chloride
  • Hydrochloric Acid
  • Carbon Dioxide
  • Water

Question 2 Photo

Why is a three pin plug's case made of plastic?

  • Heat Conduction
  • Conductor
  • Insulator
  • Plastic is a type of Alkane

Question 3 Photo

What two types of wires are in a two core and three core cable?

  • Thin and Dense
  • Charge and Discharge
  • Live and Neutral
  • Safe and Neutral

Question 4 Photo

What is the name of the product of anaerobic respiration in the muscles?

  • Lactic Acid
  • Glucose
  • Carbon Dioxide
  • Protease

Question 5 Photo

What is the overall structure of DNA?

  • Enzymes
  • Amino Acids
  • Double Helix
  • Protein

Question 6 Photo

Which one of these are insoluble salts?

  • Silver Bromide and Lead Bromide
  • All Nitrates
  • Most Bromides
  • All Sodium Salts

Question 7 Photo

In electrolysis, what is the process occurring at the negative electrode?

  • Reduction
  • Oxidation
  • Cracking
  • Fractional Distillation

Question 8 Photo

What is the reason for a Star being stable during the main sequence of the life cycle?

  • The outward force is balanced with the inward force.
  • There is a large amount of outward energy.
  • This is because the Star is pulled together by gravitational attraction.
  • The forces have a strong magnetic field.