MCQ
Name the gas evolved when magnesium reacts with dilute hydrochloric acid.
  • A
    Chlorine
  • B
    Oxygen
  • Hydrogen
  • D
    Nitrogen

Answer

Correct option: C.
Hydrogen
Hydrogen

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

Similar questions

Type of force where only attraction is found
When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water In the dropper is due to
Which of the following are possible advantages of using bacteria in sewage treatment?
$i.$ Bacteria multiply quickly, thus producing a cheap and abundant source of enzymes.
$ii.$ Only one type of bacteria is required to provide the various enzymes necessary for different kinds of wastes.
$iii.$ Bacteria can break down waste under anaerobic or aerobic condition.
The migratory birds come to India every year in winter for a few months.
Tomatoes are cultivated by the practice called:
Which of the following is a liquid at room temperature?
The metal which is liquid at room temperature is:
Global warming leads to a rise in the sea level causing floods in the coastal areas. One of the main reasons of global warming is:
Chrome tungsten steel is used in making.
The diagram shows the focus of an earthquake. Focus is the point inside the earth's crust where the earthquake originates. 1, 2, 3 and 4 are four locations on the earth's surface.
Image
(i) In which location will the effect of the earthquake be maximum?
(a) Location 1
(b) Location 2
(c) Location 3
(d) Location 4
(ii) Raju was in his garden when an earthquake hit the place. What should Raju do to remain safe?
(a) Move to an open space
(b) Run away from the place
(c) Take shelter under a staircase
(d) Take shelter under a large tree