Download App

Metallurgy — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryMetallurgy1 Mark
Question
The ore from which aluminium is extracted must first be treated with ________. [sodium hydroxide solution/dilute hydrochloric acid]
✓

Answer

sodium hydroxide solution

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 "Fill in the blanks." from Metallurgy→Metallurgy — all question types→Chemistry STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

An example of weak alkali solution is __________.
→
Oil of Vitriol is ___________
→
Hydrogen and metallic ions are ________, (cations/anions) because they ________ (gain/lose) electrons.
→
An atom or a group of atoms attached to an alkyl group, which takes part in most of the chemical reactions is called ________ .[inert group/functional group]
→
The nature of bond in compounds of alkali and alkaline earth metals is __________.
→
Complete the following:
Ionic or electrovalent compounds do not conduct electricity in their ......... state. (Fused, solid)
→
In the formation of calcium oxide, the oxygen atom gains two electrons in its valence shell and hence is ________. (oxidised/reduced)
→
The relative molecular mass is a number that represents how many times one____________of a substance is heavier than $\frac{1}{12}$ th mass of carbon 6C12.
→
The conversion of ethene to ethane is an example of _______ .
→
The metal other than aluminium present in duralumin is _______ .
→