Basic Details
Word: Hydrogen
Part of Speech: Noun
Meaning: A colourless, odourless gas that is the lightest and most abundant element in the universe, often found in water.
Synonyms: H2
Antonyms: N/A
Idioms and Phrases
- Like a hydrogen bomb: Used to describe something that is extremely powerful or explosive. Example: "The argument was like a hydrogen bomb, erupting with intensity."
- As light as hydrogen: Used to describe something that is very light or easy to carry. Example: "The new bicycle is as light as hydrogen, making it easy to ride uphill."
Usage Examples
Example 1: Hydrogen is a crucial element for life and is found in every water molecule.
Example 2: Scientists are exploring hydrogen as a clean energy source for the future.
Example 3: The balloon floated away because it was filled with hydrogen, which is lighter than air.
Fun Fact
Did you know that hydrogen is the most abundant chemical substance in the universe, making up about 75% of its elemental mass? It was formed shortly after the Big Bang!
Famous Quote
"The universe is mostly hydrogen." - David Wilcock
Multiple Choice Questions (MCQs)
1. What does "hydrogen" mean?
a) A solid metal
b) A heavy gas
c) A colourless gas
d) A type of animal
Answer: c) A colourless gas
2. Which of these is a synonym of "hydrogen"?
a) O2
b) H2
c) CO2
d) He
Answer: b) H2
3. Which of the following is an idiom related to "hydrogen"?
a) Like a hydrogen bomb
b) As slow as a tortoise
c) The apple of my eye
d) The ball is in your court
Answer: a) Like a hydrogen bomb
4. Which sentence uses "hydrogen" correctly?
a) Hydrogen is found in the sun's atmosphere.
b) Hydrogen can grow on trees.
c) Hydrogen runs on electricity.
d) Hydrogen is a type of fish.
Answer: a) Hydrogen is found in the sun's atmosphere.
5. What is the opposite of "hydrogen"?
a) N/A
b) Oxygen
c) Nitrogen
d) Helium
Answer: a) N/A
