Advertisements
Advertisements
प्रश्न
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.
उत्तर
Magnesium reacts with dilute hydrochloric acid to form magnesium chloride and hydrogen gas.
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
APPEARS IN
संबंधित प्रश्न
‘E’ is an element which reacts with oxygen to form an oxide E2O. An aqueous solution of E2O turns red litmus blue, so:
i. What is the nature of oxide E2O ?
ii. Write the name of element ‘E’.
What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
A student added few pieces of aluminium metal to two test tubes A and B containing aqueous solutions of iron sulphate and copper sulphate. In the second part of her experiment, she added iron metal to another test tubes C and D containing aqueous solutions of aluminium sulphate and copper sulphate.
In which test tube or test tubes will she observe colour change? On the basis of this experiment, state which one is the most reactive metal and why.
Write equation for the reaction of magnesium with oxygen.
Which of the following elements would yield an acidic oxide.
Na, S, C, K, H
Name one metal which displaces copper from copper sulphate solution and one which does not.
Out of the following oxides, the amphoteric oxide is:
(a) Fe2O3
(b) Al2O3
(c) P2O5
(d) N2O
An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:
(a) S
(b) Ca
(c) C
(d) Ag
Write the chemical equation for the following reaction:
Manganese dioxide is heated with aluminum powder.
Find the odd one out:
