Alloys and Their Properties
Chemistry ⇒ Metals and Non-metals
Alloys and Their Properties starts at 9 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Alloys and Their Properties.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
Describe the difference between substitutional and interstitial alloys.
Describe the effect of adding carbon to iron to form steel.
Describe the process of making an alloy by fusion.
Explain why alloys are less malleable than pure metals.
Explain why alloys are often stronger than pure metals.
Explain why pure gold is not used for making jewelry.
Explain why solder is used to join electrical wires.
A sample of brass contains 70% copper and 30% zinc by mass. Calculate the mass of copper in 200 g of brass.
Bronze is an alloy of copper and which other element? (1) Tin (2) Zinc (3) Lead (4) Nickel
Which of the following alloys contains mercury? (1) Bronze (2) Amalgam (3) Brass (4) Steel
Which of the following alloys is used for making dental fillings? (1) Solder (2) Amalgam (3) Bronze (4) Steel
Which of the following alloys is used in making coins? (1) Solder (2) Cupronickel (3) Duralumin (4) Nichrome
Fill in the blank: Stainless steel is an alloy of iron, carbon, and ________.
Fill in the blank: The alloy used for making aircraft bodies is ________.
Fill in the blank: The alloy used in making coins and medals, consisting mainly of copper and nickel, is called ________.
Fill in the blank: The alloy used in making resistance wires for heating elements is ________.
State whether the following statement is true or false: Alloying always increases the density of a metal.
State whether the following statement is true or false: Alloying can change the color of a metal.
State whether the following statement is true or false: Alloying can improve the electrical conductivity of a metal.
State whether the following statement is true or false: Alloys are always harder than their constituent metals.
