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What element glows in the dark when previously exposed to light?
Phosphorous
What substance does low order explosive resemble when exposed to sun and light?
Dark brown rocks
What happens when silver nitrate exposed to light?
It turns black or dark in colour when silver nitrate is exposed to sunlight.
Why does your canned tomoatoe has a dark tinge in jar?
It is possible that the canned tomatoes are old and/or have been exposed to light.
What substances does a low-order explosive resemble when exposed to air and sun light?
Dark brown rocks
Why is chloroform store in dark brown bottle?
It decomposes to phosgene, COCl2, (a toxic compound) when exposed to light.
What colour is litmus paper when it is alkalis?
Either baby blue(light blue), dark blue or dark purple. :)
How does the human eye see an outline of a person in the dark?
Rhodopsin is a chemical that is kicked in when your eye is exposed for more than 10 seconds in the dark. It helps a little in seeing a basic outline of what is in front of you. Unless exposed to red light, it disappears and causes your vision to be blurred until you are used to the light.
What is the reason of incubating the UV-exposed cells in the dark environment?
cell that survive DNA damage due to the effect of the UV LIGHT only can growth in dark environment.
Why diamond glows in dark?
Some diamonds are fluorescent. This means that light enters the stone and the wave length is converted to a longer light wave. Not all diamonds are fluorescent. No diamond will 'glow in the dark' without first being exposed to a light source.
What are etioplasts and what do they contain?
Etioplasts are chloroplast that have not been exposed to light. They are usually found in flowering plants (Angiosperms) grown in the dark.
What is the effect of light on mold growth?
Mold grows best in dark areas but it must have some light exposure. when it is exposed to light completely the mold dows not grow very well
