Download App

Metallurgy — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryMetallurgy1 Mark
MCQ
What are the constituent elements of duralumin?
  • A
    $Al , Cu , Mg$
  • B
    Al and Mg
  • C
    $Al , Cu , Mg$ and Mn
  • D
    $Al , Cu$ and Mn
✓

Answer

C. $Al , Cu , Mg$ and Mn
Explanation: Duralumin is $95 \%$ aluminium, $4 \%$ copper, $0.5 \%$ magnesium, and $0.5 \%$ manganese.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Metallurgy→Metallurgy — all question types→Chemistry STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

Aluminum has a tendency to lose :
→
The ratio of certain mass of a gas or vapour to the mass of same volume of hydrogen is it's ____________
→
Which one among the following is a hydrocarbon derivative?
→
Molecular formula of cane sugar is:
→
The pH of a solution is 6. The pH of the solution can be increased by adding to it:
→
Rain is called acid rain when its:
→
A hydroxide of metal, which is soluble in conc. sodium hydroxide solution is:
→
Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?
(i) Au
(ii) Cu
(iii) Na
(iv) K
→
An aqueous solution of HCl gas is named:
→
Ionisation potential increases over a period from left to right because the
→