Podcast
Questions and Answers
What is unique about gold and silver in nature?
What is unique about gold and silver in nature?
- They are highly reactive
- They are always found in their combined state
- They are always found in their free state (correct)
- They are not found in nature
What is the nature of metallic oxides?
What is the nature of metallic oxides?
- They are basic (correct)
- They are neutral
- They are acidic
- They are amphoteric
Which non-metal is known for its lustrous property?
Which non-metal is known for its lustrous property?
- Phosphorus
- Sulfur
- Iodine (correct)
- Chlorine
What is the green substance formed on a copper plate left exposed to air for a week in a bathroom?
What is the green substance formed on a copper plate left exposed to air for a week in a bathroom?
What occurs when a metal loses an electron and a non-metal gains it?
What occurs when a metal loses an electron and a non-metal gains it?
What is the state of ionic compounds at room temperature?
What is the state of ionic compounds at room temperature?
What happens when calcium is treated with water?
What happens when calcium is treated with water?
Which metal would be displaced from the solution of its salts by other three metals?
Which metal would be displaced from the solution of its salts by other three metals?
In which state do ionic compounds conduct electricity?
In which state do ionic compounds conduct electricity?
What is the oxide of iron obtained on prolonged reaction of iron with steam?
What is the oxide of iron obtained on prolonged reaction of iron with steam?
What is the primary source of metals?
What is the primary source of metals?
Which element reacts with oxygen to give a compound with a high melting point?
Which element reacts with oxygen to give a compound with a high melting point?
What is the term for the process of extracting metals from their ores?
What is the term for the process of extracting metals from their ores?
Which of the following metals is typically extracted by electrolysis?
Which of the following metals is typically extracted by electrolysis?
What is the term for naturally occurring elements or compounds in the Earth's crust?
What is the term for naturally occurring elements or compounds in the Earth's crust?
Which of the following metals is typically found in its free state in nature?
Which of the following metals is typically found in its free state in nature?
What is collected over water after the metal reacts with steam?
What is collected over water after the metal reacts with steam?
Which metal has the slowest reaction with steam?
Which metal has the slowest reaction with steam?
What happens when hydrogen gas is tested with a lighted match stick?
What happens when hydrogen gas is tested with a lighted match stick?
Which of the following metals does NOT react with water or steam?
Which of the following metals does NOT react with water or steam?
What is the product formed when metals react with dilute acids?
What is the product formed when metals react with dilute acids?
What gas is NOT evolved when a metal reacts with nitric acid?
What gas is NOT evolved when a metal reacts with nitric acid?
Which metals can dissolve in Aqua-Regia?
Which metals can dissolve in Aqua-Regia?
What mixture ratio is used to create Aqua-Regia?
What mixture ratio is used to create Aqua-Regia?
What type of oxide is formed by aluminium and zinc metals?
What type of oxide is formed by aluminium and zinc metals?
What are the products when aluminium oxide reacts with hydrochloric acid?
What are the products when aluminium oxide reacts with hydrochloric acid?
In the reaction between aluminium oxide and sodium hydroxide, what does aluminium oxide act as?
In the reaction between aluminium oxide and sodium hydroxide, what does aluminium oxide act as?
What is the product of the reaction between zinc oxide and hydrochloric acid?
What is the product of the reaction between zinc oxide and hydrochloric acid?
When zinc oxide reacts with sodium hydroxide, what compound is formed?
When zinc oxide reacts with sodium hydroxide, what compound is formed?
Which metal reacts violently with cold water to form metal hydroxide and hydrogen gas?
Which metal reacts violently with cold water to form metal hydroxide and hydrogen gas?
What is the product when calcium reacts with water?
What is the product when calcium reacts with water?
What do aluminium and iron produce when they react with steam?
What do aluminium and iron produce when they react with steam?
What is the atomic number of calcium?
What is the atomic number of calcium?
What is the electron configuration of an oxygen atom?
What is the electron configuration of an oxygen atom?
Which property of gold makes it suitable for making ornaments?
Which property of gold makes it suitable for making ornaments?
Which metals melt when kept on the palm?
Which metals melt when kept on the palm?
Which statement is true about silver and copper?
Which statement is true about silver and copper?
Why are sodium and potassium stored under oil?
Why are sodium and potassium stored under oil?
What happens when soft iron nails are dipped in a strong solution of copper sulphate?
What happens when soft iron nails are dipped in a strong solution of copper sulphate?
Why is aluminium's corrosion less than that of iron?
Why is aluminium's corrosion less than that of iron?
Flashcards are hidden until you start studying
