Advertisements
Advertisements
Question
A metal with melting point less than 50°C is
Options
Gallium
Iron
Gold
Aluminium
Advertisements
Solution
Gallium
APPEARS IN
RELATED QUESTIONS
What happens when Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.
State one use of the following metal:
Copper
Explain how, a reduction reaction of aluminium can be used for welding cracked machine parts of iron. Write a chemical equation for the reaction involved.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
Name a metal which is best conductor of electricity :
State the position of the following in the periodic table:
Aluminium
Give the general characteristics of:
Alkaline earth metals with reference to
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
What is it made from? Why?
Electric cables
State why telegraph poles are painted with aluminium paint.
State a specific reason for using copper in electrical cables
Name the following:
A metal used in flexible pipes.
Compare the properties of metals and nonmetals. Give three examples for each.
A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
Which of the following property is generally not shown by metals?
The metal can be cut with a knife ______.
Metals are ______ conductors of heat and electricity.
Sodium is a hard metal.
Silver and copper are very good conductors of electricity.
