Analyzing the Effects of Salt on the Melting of Ice - Harry's Experiment

The video tutorial explores how the temperature of crushed ice changes as it melts, focusing on experiments conducted with pure water ice and salt solution ice. It examines the effects of adding salt on melting points, thermal energy requirements, and specific heat capacity. The tutorial uses graphs to analyze results and evaluate statements about the experiments, concluding that salt lowers the melting point, decreases thermal energy needed, and reduces specific heat capacity.

What is the purpose of placing the boiling tube in a beaker of water during the experiment?

• To directly heat the ice

• To indirectly heat the ice

• To cool the ice

• To measure the ice's temperature

How does adding salt to water affect the melting point of ice?

• Raises the melting point

• Has no effect

• Lowers the melting point

• Doubles the melting point

What is the melting point of ice made from pure water?

• 10 degrees centigrade

• 1 degree centigrade

• -1 degree centigrade

• 0 degrees centigrade

Why does salt solution ice require less thermal energy to melt compared to pure water ice?

• It is denser

• It has a higher melting point

• It absorbs more heat

• It melts faster

What is the relationship between the time taken to melt ice and the thermal energy supplied?

• Time has no effect on energy

• Longer time means more energy

• Shorter time means more energy

• Longer time means less energy

How does the specific heat capacity of salt solution compare to that of pure water?

• It is twice as much

• It is lower

• It is the same

• It is higher

What is the maximum temperature reached by both pure water and salt solution after melting?

• 10 degrees centigrade

• 15 degrees centigrade

• 20 degrees centigrade

• 25 degrees centigrade