Name one metal occurring as a : Sulphide ore - Vidyadip

Question

Name one metal occurring as a : Sulphide ore

✓

Answer

Mercury

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 "[2 Mark Question Answer]" from Metallurgy→Metallurgy — all question types→Chemistry STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

The following statement is correct only under certain conditions. Rewrite the statement including the appropriate condition(s) and underline it in your answer.
Copper and nitric acid react together to produce nitrogen dioxide.

Name the compound prepared by the following reaction:
$C_2H_5Br +KOH$ (alcoholic solution) →

When carbon dioxide is passed over red hot carbon, carbon monoxide is produced according to the equation :
$CO_2 + C \rightarrow 2CO$
What volume of carbon monoxide at $S.T.P$. can be obtained from $3 g$ of carbon?

What is the difference between an alkali and a base?

Distinguish between the following pair of compound using the test given within bracket.
Iron (II) Sulpate an and iron(III) using ammonium hydroxide)

Distinguish between the following (using ammonia solution) Ammonium chloride and sodium chloride.

Distinguish between the following (using ammonia solution) Ferric salt and ferrous salt.

(a) Why is hydrogen ion called a proton? Explain.
(b) An atom of fluorine may be written as ₉F¹⁹. Using dot diagram to show electrons in the outermost shell, show how a molecule of fluorine (F₂) is formed? What is the name given to this kind of bonding?

$$MnO_2+4 HCl \rightarrow MnCl_2+2 H_2 O+Cl_2$
$0.02$ moles of pure $MnO _2$ is heated strongly with conc. $HCl$ . Calculate: the mass of chlorine gas formed

Write balanced chemical equations for the following reactions:
(a) Zinc and dilute hydrochloric acid (b) Calcium bicarbonate and dilute hydrochloric acid