Advertisements
Advertisements
Question
Name two metals which cannot displace hydrogen from dilute acids.
Advertisements
Solution
Copper and silver are two metals which cannot displace hydrogen from dilute acids.
APPEARS IN
RELATED QUESTIONS
Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
State whether the following statement is true or false:
Non-metals react with dilute acids to produce a gas which burns with a 'pop' sound.
Name two metals which form amphoteric oxides.
A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?
Name the metal which has been placed at the top of the reactivity series.
What will happen if a strip of copper is kept immersed in a solution of silver nitrate (AgNO3)?
Fill in the following blank with suitable word:
Calcium is a ................. reactive metal than sodium.
What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
How do non-metals react with hydrogen? Explain with an example.
Write the equation for the reaction of Magnesium with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
Name one metal more reactive and another less reactive than hydrogen.
Name one metal which displaces silver from silver nitrate solution and one which does not.
A basic oxide will be formed by the element:
(a) K
(b) S
(c) P
(d) Kr
Out of aluminium, copper, calcium and tin, the most reactive metal is:
(a) aluminium
(b) copper
(c) tin
(d) calcium
An element X forms two oxides XO and XO2. The oxide XO is neutral but XO2 is acidic in nature. The element X is most likely to be:
(a) sulphur
(b) carbon
(c) calcium
(d) hydrogen
Metal A burns in air, on heating, to form an oxide A2O3 whereas another metal B burns in air only on strong heating to form an oxide BO. The two oxides A2O3 and BO can react with hydrochloric acid as well as sodium hydroxide solution to form the corresponding salts and water.
(a) What is the nature of oxide A2O3?
(b) What is the nature of oxide BO?
(c) Name one metal like A.
(b) Name one metal like B.
Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?
Which one among the following is an acidic oxide?
An alkali metal A gives a compound B (molecular mass = 40) on reacting with water. The compound B gives a soluble compound C on treatment with aluminium oxide. Identify A, B and C and give the reaction involved.
