Quiz Masters 2.0

Which of the following is the SI unit of energy?

• Joule

• Watt

• Newton

• Kelvin

Which phenomenon is responsible for the twinkling of stars?

• Reflection

• Refraction

• Diffraction

• Scattering

Which metal is most commonly used to coat other metals to prevent corrosion?

• Copper

• Zinc

• Silver

• Iron

If the perimeter of a square is 36 cm, what is the length of each side?

• 6cm

• 8cm

• 9cm

• 12cm

If a number is increased by 20%, what is the new number?

• 1.2 times the original number

• 1.2 times the square of the original number

• 0.2 times the original number

• 1.5 times the original number

What is the sum of the angles of a triangle?

• 90°

• 180°

• 360°

• 270°

What is the value of 7! (7 factorial)?

• 5040

• 4880

• 1720

• 3740

What is the primary component of air?

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon

Which of the following is an example of an exothermic reaction?

• Melting ice

• Boiling water

• Combustion of wood

• Dissolving salt in water

What is the molecular formula of glucose?

• C₆H₁₂O₆

• C₆H₁₀O₅

• C₄H₆O₄

• C₆H₁₄O₇