Magnalium is an alloy of-

Academic Chemistry NCERT Class 8

Magnalium is an alloy with 5% magnesium and 95% aluminium.

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Updated on: 10-Oct-2022

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Name an alloy of lead and tin.
What is Alloy?
The ratio of copper and zinc in an alloy is 9:8. If the weight of zinc in the alloy is 9.6 kg find the weight of copper in the alloy
An alloy isan elementa compounda homogeneous mixturea heterogeneous mixture
An alloy isa compounda heterogeneous mixturea homogeneous mixturean element
(a) What is an alloy? How is an alloy made?(b) What elements are present in steel? How are the properties of steel different from those of pure iron? (c) Give the constituents and one use of brass.
Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
Give the composition of an alloy called solder. State its one property and one use.
5grams Of An Alloy Contains 15Ã·4 Grams Copper And Rest Is Nickel Find The Ratio By Weight Of Nickel To Copper
Why are the coils of electric irons and electric toasters made of an alloy rather than pure metal?
Fill in the following blanks with suitable words:(a) The corrosion of iron is called _______. (b) _______ and _______ are necessary for the rusting of iron. (c) The process of depositing a thin layer of zinc on iron articles is called _______. (d) Tiffin boxes are electroplated with _______ but car bumpers are electroplated with _______ to protect them from rusting. (e) The corrosion of copper produces a _______ coating of basic copper carbonate on its surface. (j) Brass is an alloy of copper and _______. (g) Bronze is an alloy of copper and _______. (h) The non-metal present in steel is _______. (i) The alloy in which one of the metals is mercury is called an _______. (j) The electrical conductivity and melting point of an alloy is _______ than that of pure metals. (k) The rocky material found with ores is called _______.
Why are the heating elements of electric toasters and electric irons made of an alloy rather than a pure metal?
International standards of weights are made of (gold-silver/platinum-iridium) alloy.
Give two reasons why nichrome alloy is used for making the heating elements of electrical appliances.
Write the composition of the alloy called bronze. Give two uses of bronze.

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