General Knowledge

Science & Technology

Easy

Which among the following metals is liquid at room temperature ?

Mercury

Iron

Copper

Alluminium

✅ Correct Option: 1

Mercury melts at about $-39°$ C, so it stays liquid at room temperature and is the only liquid metal among the options. Iron, copper and aluminium all have melting points of several hundred degrees Celsius and are solids.

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Reactions in which there is an exchange of ions between the reactants are called?

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Arrange the following space initiatives of India in the chronological order of their year of launch, beginning from the earliest to the latest.

(A) Aditya-L1 Solar Observatory Spacecraft inserted into the halo orbit around the Sun

(B) Launch of Chandrayaan - I Lunar Mission

(D) Launch of Mars Orbiter Mission

Choose the correct answer from the options given below:

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Vikram Sarabhai Space Centre (VSSC) is situated in which State of India?

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Acquired Immuno Deficiency Syndrome (AIDS) is caused by:

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When an extra chromosome is added to 21st autosomal chromosome, this leads to the development of which of the following?

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Who among the following is known as the father of Indian surgery and ophthalmology?

Which among the following metals is liquid at room temperature ?

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