Chemistry
Grade-10
Easy
Question
Concentration of ore is also known as___________.
- Leaching
- Hand picking
- Ore-dressing
- Liquation
Hint:
ore dressing.
The correct answer is: Ore-dressing
Ore dressing is the concentration of ore.
Related Questions to study
Chemistry
Alloy known for its sonority is
Alloy known for its sonority is
ChemistryGrade-10
Chemistry
Match the following with the correct uses.
Match the following with the correct uses.
ChemistryGrade-10
Chemistry
Purpose of making alloys:
Purpose of making alloys:
ChemistryGrade-10
Chemistry
Substitutional alloy and interstitial alloys are types of alloys.
Substitutional alloy and interstitial alloys are types of alloys.
ChemistryGrade-10
Chemistry
Which of the element of stainless steel is responsible for the increase in stress corrosion resistance?
Which of the element of stainless steel is responsible for the increase in stress corrosion resistance?
ChemistryGrade-10
Chemistry
Select the correct properties of stainless steel.
Select the correct properties of stainless steel.
ChemistryGrade-10
Chemistry
Select the alloy that is used for developing castings for the firearm chamber.
Select the alloy that is used for developing castings for the firearm chamber.
ChemistryGrade-10
Chemistry
Stainless steel is so called because of its
Stainless steel is so called because of its
ChemistryGrade-10
Chemistry
The alloy used for dental filling is
The alloy used for dental filling is
ChemistryGrade-10
Chemistry
Which of the following alloy is used in making aircraft structures?
Which of the following alloy is used in making aircraft structures?
ChemistryGrade-10
Chemistry
The number of phases of matter observed in the homogeneous mixture is
The number of phases of matter observed in the homogeneous mixture is
ChemistryGrade-10
Chemistry
By adding silicon to steel, which of the following property is enhanced?
By adding silicon to steel, which of the following property is enhanced?
ChemistryGrade-10
Chemistry
Assertion: Alloys are made to enable casting ability.
Reason: Type metal (Pb + Sn + Sb) expands on solidification and is easily cast.
Assertion: Alloys are made to enable casting ability.
Reason: Type metal (Pb + Sn + Sb) expands on solidification and is easily cast.
ChemistryGrade-10
Chemistry
By adding chromium to steel, which of the following property is enhanced?
By adding chromium to steel, which of the following property is enhanced?
ChemistryGrade-10
Chemistry
Manganin is an alloy of
Manganin is an alloy of
ChemistryGrade-10
