Chemistry
Grade-10
Easy
Question
4)The process during which carbon is used for the reduction of metal oxide to metal is ________.
- Calcination
- Roasting
- Smelting
- Hydration
Hint:
Smelting
The correct answer is: Smelting
In the smelting process, carbon is used as a reducing agent to reduce metal oxide to its metallic form.
Related Questions to study
Chemistry
The substance that is unwanted during the concentration of an ore is _______.
The substance that is unwanted during the concentration of an ore is _______.
ChemistryGrade-10
Chemistry
The best conductor of electricity is-
The best conductor of electricity is-
ChemistryGrade-10
Chemistry
Which material is used for coating of electric wires?
Which material is used for coating of electric wires?
ChemistryGrade-10
Chemistry
The poor conductor of heat is
The poor conductor of heat is
ChemistryGrade-10
Chemistry
Copper can be drawn into thin wires. Which property is shown here?
Copper can be drawn into thin wires. Which property is shown here?
ChemistryGrade-10
Chemistry
Choose the metal which is not hard and can be cut with the knife easily.
Choose the metal which is not hard and can be cut with the knife easily.
ChemistryGrade-10
Chemistry
The most ductile metal is:
The most ductile metal is:
ChemistryGrade-10
Chemistry
Assertion: The property of beating a metal into sheets is called ductility.
Reason: Silver and gold are the most malleable metals present.
Assertion: The property of beating a metal into sheets is called ductility.
Reason: Silver and gold are the most malleable metals present.
ChemistryGrade-10
Chemistry
Polyvinyl chloride has a property that makes it suitable for coating electric wires at home. Choose the property from the following?
Polyvinyl chloride has a property that makes it suitable for coating electric wires at home. Choose the property from the following?
ChemistryGrade-10
Chemistry
Why the handle of a cooking pan is made up of plastic? Choose from the following.
Why the handle of a cooking pan is made up of plastic? Choose from the following.
ChemistryGrade-10
Chemistry
The non-metal which is hard in nature is-
The non-metal which is hard in nature is-
ChemistryGrade-10
Chemistry
Select the physical properties of an element.
Select the physical properties of an element.
ChemistryGrade-10
Chemistry
The total number of elements discovered till date is-
The total number of elements discovered till date is-
ChemistryGrade-10
Chemistry
In which state do metals exist at room temperature?
In which state do metals exist at room temperature?
ChemistryGrade-10
Chemistry
Choose the correct option denoting a non-metal.
Choose the correct option denoting a non-metal.
ChemistryGrade-10
