Podcast
Questions and Answers
Which type of property includes melting point and boiling point?
Which type of property includes melting point and boiling point?
- Flammable
- Chemical
- Toxic
- Physical (correct)
Which of the following is a chemical property?
Which of the following is a chemical property?
- Acidity (correct)
- Density
- Color
- Volume
According to the law of conservation of matter, what happens to matter in a chemical reaction?
According to the law of conservation of matter, what happens to matter in a chemical reaction?
- It is evaporated
- It is created
- It is destroyed
- It is conserved (correct)
What is the total mass of a solution formed by stirring 20g of sugar into 100g of water?
What is the total mass of a solution formed by stirring 20g of sugar into 100g of water?
If all that remains after burning leaves are smoke and ash, what happened to the matter?
If all that remains after burning leaves are smoke and ash, what happened to the matter?
Are mixtures formed through chemical or physical combinations of substances?
Are mixtures formed through chemical or physical combinations of substances?
What is a chemical property of silver?
What is a chemical property of silver?
Where would you place 'Volume' and 'Mass' in the Venn diagram?
Where would you place 'Volume' and 'Mass' in the Venn diagram?
What is easier to separate, a pure substance or a mixture?
What is easier to separate, a pure substance or a mixture?
Is it true or false that a compound is physically combined?
Is it true or false that a compound is physically combined?
In the reaction between 115g of Sodium and 20g of Chlorine to produce NaCl, how much NaCl is formed?
In the reaction between 115g of Sodium and 20g of Chlorine to produce NaCl, how much NaCl is formed?
After roasting a marshmallow, its mass decreased from 10g to 9.2g. Was matter destroyed in this process?
After roasting a marshmallow, its mass decreased from 10g to 9.2g. Was matter destroyed in this process?
Which of the following is an example of a heterogeneous mixture?
Which of the following is an example of a heterogeneous mixture?
What is the state of matter of Carbon?
What is the state of matter of Carbon?
Which equation shows the reaction between Magnesium and Chlorine to produce Magnesium Chloride?
Which equation shows the reaction between Magnesium and Chlorine to produce Magnesium Chloride?
What should be done to balance the chemical equation for Magnesium reacting with Chlorine to form Magnesium Chloride?
What should be done to balance the chemical equation for Magnesium reacting with Chlorine to form Magnesium Chloride?
What happens to the identity of individual substances in mixtures?
What happens to the identity of individual substances in mixtures?
When a compound is formed, what happens to the substances involved?
When a compound is formed, what happens to the substances involved?
