Trial English Quiz Competition Round 1

Which of the following factors does NOT affect the amount of heat absorbed by a substance?

• Mass

• Temperature change

• Specific heat capacity

• Volume

What is the total heat required to convert 100 g of ice at 0°C to steam at 100°C? (Latent heat of fusion = 334 J/g, specific heat of water = 4.18 J/g°C, latent heat of vaporization = 2260 J/g)

• 300,400 J

• 636,800 J

• 723,200 J

• 1,000,000 J

During the phase change from ice to water, the heat absorbed is called:

• Heat of fusion

• Heat of vaporization

• Specific heat capacity

• Thermal expansion

The boiling point of water in Kelvin is approximately:

• 100 K

• 273 K

• 373 K

• 212 K

What is the relationship between density, mass, and volume?

• Density = Mass × Volume

• Density = Mass ÷ Volume

• Density = Volume ÷ Mass

• Density = Mass² ÷ Volume

Excessive use of fertilizers can cause...

• Air pollution

• Soil erosion

• Water pollution

• Noise pollution

Fungi and bacteria are classified as...

• Producers

• Consumers

• Carnivores

• Decomposers

Platelets in blood help in...

• Transporting oxygen

• Clotting blood

• Fighting diseases

• Regulating temperature

Which of the following is an example of an artificial preservative?

• Salt

• Vinegar

• Sodium benzoate

• Sugar

Which organ is responsible for filtering blood in humans?

• Liver

• Kidney

• Heart

• Lungs