Home
Class 12
CHEMISTRY
Calcium is tarnished in air , because it...

Calcium is tarnished in air , because it is covered with a thin film of

A

oxide

B

hydroxide

C

carbonate

D

basic carbonate

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

Interference is produced with two coherent sources of same intensity. If one of the sources is covered with a thin film so as to reduce the intensity of light coming out of it, then

A frame made of metalic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 50% the energy of the soap film will be changed by:

Determine what happens to the double slits interference pattern if one of the slits is covered with a thin, transparent film whose thickness is lambda/(2(mu-1)) , where lambda is the wavelength of the incident light and mu is the index of refraction of the film.

Shoot apex is subterminal in position because it is covered by leaf primordia.

Calcium phosphide is used in smoke screen because it.

A cubical block of side a and density rho slides over a fixed inclined plane with constant velocity v. There is a thin film of viscon fluid of thickness t between the plane and the block. Then the coefficeint of viscosity of the film will be

Silver jewellery items tarnish slowly in air due to their reaction with ____.

YDSE is carried out in a liquid of refractive index mu=1.3 and a thin film of air is formed in front of the lower slit as shown in the figure. If a maxima of third order is formed at the origin O, find the thickness of the air film. Find the positions of the fourth maxima. The wavelength of light is air is lambda_0 = 0.78 mum and D//d = 1000.

Calcium is important in skeletal muscle contraction because it

Calcium is important in skeletal muscle contraction because it

Home
Profile