Question

lace 2 Write the reaction that takes & black & white photography​

Answer 1

Answer:

Explanation:

The reactions used in black and white photography are decomposition reactions.

 

Silver chloride and silver iodide are normally used for producing black and white photographs. This is because silver salts are known to be light sensitive. These compounds will give out a photo-chemical reaction when light falls over them. The reaction that takes place:

AgCl------------Ag+ ½ Cl2

Answer 2

Answer:

motion means displacement or change in the position of an object over time. It can be described in terms of displacement, distance, velocity etc. eg pushing a block is an example of linear motion, opening a door is an example of rotation, rotating stone with attached thread is an example of a circular motion.