Home
MCQ QUIZ APP DOWNLOAD

What is the correct answer?

4

Old-written material, which cannot be read easily can be read by

A. None of these

B. Ultraviolet rays

C. Infra Red rays

D. Cosmic Rays

Correct Answer :

A. None of these


Related Questions

The recent atomic weight scale is based on Earth's seasons are caused by which of the following? Rust is Water has maximum density at Permanent hardness of water, due to sulphates of the metal, can be destroyed… Liquefied Petroleum gas (LPG) consists of mainly Carbon tetrachloride fire extinguisher should not be used in closed room… The metallic constituents of hard water are The major ingredient of leather is Which of the following is the lightest metal ? The location and energy of an electron in an atom can be specified by Which of the following is commonly called a polyamide ? The metal that is present in Photo Films is The solar eclipse occurs when The property of a substance to absorb moisture from the air on exposure… Which of the following items will be attracted to the north pole of a… Bromine is The type of glass used in making prisms and lenses is The formula of Plaster of Paris is The removal of top soil by water or wind is called Cell membrane is The oxide of Nitrogen used in medicine as anaesthetic is Permanent hardness of water can be removed by adding The metal used in storage batteries Which of the following elements is non-radioactive? The fastest acting enzyme in the biological kingdom is Brass gets discoloured in air due to the presence of which gas in air The smallest functional and structural unit of kidney is called as Which of the following characters is not shown by hydrogen The chemial name of Uria is