Advertisements
Advertisements
Question
Which of the following elements would yield a neutral oxide?
Na, S, C, K, H
Advertisements
Solution
H would yield neutral oxides.
APPEARS IN
RELATED QUESTIONS
Write equations for the reactions of calcium and potassium with water.
The reaction of an iron nail with copper sulphate solution is ........... reaction.
(a) Combination
(b) Displacement
(c) Double displacement
(d) Decomposition
Why are metals called electropositive elements whereas non-metals are called electronegative elements?
Name two metals which form amphoteric oxides.
Write equation for the reaction of sodium with oxygen.
How would you show that silver is chemically less reactive than copper?
Complete and balance the following equation:
Na2O + H2O →
Which of the following elements would yield a basic oxide.
Na, S, C, K, H
How do metals react with hydrogen? Explain with an example.
Why does aluminium not react with water under ordinary conditions?
What is the action of water on magnesium ? Write equation of the chemical reaction involved.
Write the chemical equation of the reaction which takes place when iron reacts with dilute sulphuric acid. What happens when the gas produced is ignited with a burning matchstick?
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.
Write the equation for the reaction of Iron with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
The least reactive metal among the following is:
(a) sodium
(b) silver
(c) copper
(d) lead
A metal less reactive and another metal more reactive than hydrogen are:
(a) aluminium and lead
(b) iron and magnesium
(c) copper and tin
(d) copper and mercury
Which of the following pair of reactants can undergo a displacement reaction under appropriate conditions?
(a) MgSO4 + Fe
(b) ZnSO4 + Fe
(c) MgSO4 + Pb
(d) CuSO4 + Fe
Which of the following reactions will not occur? Why not?
(a) MgSO4 (aq) + Cu (s) → CuSO4 (aq) + Mg (s)
(b) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)
(c) MgSO4 (aq) + Fe (s) → FeSO4 (aq) + Mg (s)
The substance that will be flattened on beating with a hammer is ______.
