Geek3686 Geek3686

10-10-2017
Chemistry

contestada

When fe(no3)2(aq) and na2s(aq) are mixed, what is the black coloured precipitate that forms?

Respuesta :

Erudite1 Erudite1

17-10-2017

The black coloured precipitate that form is IRON ll SULPHIDE, FeS.
Iron sulphide ll sulphide is black in colour and is insoluble in water. It possess very high melting temperature and react in acids. Iron ll sulphide is used as pigment in hair dyes, glasses, bottles and paints. It is also used as lubricant.

Answer Link

Otras preguntas

Which word can replace the word discerning to give the following sentence a negative connotation? The discerning customer glanced keenly around the room. A.

Find the other endpoint of a line segment with one endpoint at (-3,5) and whose midpoint is (5,2)

Simplify the expression 6(6)+6(4)

The values in the table represent a linear function. What is the common difference of the associated arithmetic sequence? X Y 1 4 2 21 3 38 4 55 5 72 Choices A.

Physics teacher A. A. Michelson measured the speed of light in 1878. Which word or phrase is the complete predicate? The speed of light Physics teacher A. A. M

On what points is Lincoln willing to agree with Douglas? On what points does he differ from Douglas?

Alien species often displace native species because alien species

A, B, C, OR IS IT D pls answer

What is the angle of B. Round your answer to the nearest hundredth

Which of the following do sustainable development projects take into account when planning the project? I. Women’s needs II. Impact on the environment III. The