CameraIcon

SearchIcon

MyQuestionIcon

170

You visited us 170 times! Enjoying our articles? Unlock Full Access!

Measures to Reduce Air Pollution

nanoparticles...

Question

_______ nanoparticles are widely used in sunscreens and cosmetics, stain resistant fabrics and dirt repellent paints.

A

The metal oxide

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

Gold

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Silver

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

The metal sulphide

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A The metal oxide
The metal oxide nanoparticles are widely used in sunscreens and cosmetics, stain-resistant fabrics and dirt repellent paints. They are used in sunscreen and cosmetics because they reflect the visible light and absorb UV light efficiently.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Which of the following processes are widely used in the extraction of moderately reactive metals from their sulphide ore?

Which of the following plants are widely used in cosmetics?

Q. A metal M found in nature as sulphide ore (

M_{2} S

) is one of the good conductors of heat and electricity and used in making electric wires. The metal M is _______ .

Q. Name the following:
(a) a non-metal present in steel
(b) a metal which reacts vigorously with cold water
(c) a non-metal used to vulcanise rubber
(d) a metal stored in oil
(e) a metal that becomes black in the presence of hydrogen sulphide
(f) the gas released when metals react with water
(g) a metal that replaces silver from silver nitrate
(h) a metal used for galvanising iron
(i) a metal that will displace copper from copper sulphate solution
(j) a noble metal

Q. The compound of a metal

M

M_{x} {(N O_{3})}_{y}

, when treated with hydrogen sulphide in neutral or dilute acidic medium forms a black precipitate of

M

and its sulphide. Identify the metal and its sulphide.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

What Can We Do

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Measures to Reduce Air Pollution

Standard IX Chemistry

Join BYJU'S Learning Program

CrossIcon