1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Monica [59]
3 years ago
10

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

Chemistry
1 answer:
marshall27 [118]3 years ago
7 0
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.
You might be interested in
Which planet formed near the sub where the solar system l’s temperatures were very high
Harrizon [31]

Answer:

Mars

Explanation:

Terrestrial or inner planets like Mars and Venus were formed near the Sun where the solar system's temperatures were very high.

4 0
3 years ago
Read 2 more answers
What scientific instrument is sensitive enough to detect a planet transiting a star?
Stolb23 [73]
The correct scientific instrument is telescope.
5 0
3 years ago
What type of elements are most likely to form more than one type of ion
ss7ja [257]
Metals are the type of elements that are most likely to form more than one type of ion, for instance iron can form the ion of Fe^2+ or Fe^3+.
7 0
3 years ago
Read 2 more answers
What is plate tectonics?
Alexandra [31]
Plate tectonics is the theory that Earth's crust is composed of many plates that are moving slowly over time. 

Your answer is D. :)
7 0
3 years ago
Read 2 more answers
What type of rock is show here? How do you know?
mart [117]

Answer:

Sedimentary Rock. You know from the fossils and remains of shells inside.

Explanation:

If it were igneous, the fossils would be melted away. Maybe not with metamorphic, but it's most likely sedimentary.

5 0
3 years ago
Other questions:
  • Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2Mg (s) + O2 (g) →→ 2MgO (s) When 4.50 g of magnes
    13·2 answers
  • Soil is a renewable resource if properly maintained. Which of the following helps to maintain healthy soil?
    10·2 answers
  • A water bath in a physical chemistry lab is 1.75 m long, 0.730 m wide, and 0.650 m deep. If it is filled to within 2.27 inches f
    14·2 answers
  • Potassium chlorate decomposes according to the following chemical equation:
    8·2 answers
  • Which compound has the highest melting point?
    7·2 answers
  • How many moles of sodium chloride are contained in 779.3 mL of a 0.218 M solution?
    9·1 answer
  • B) Sodium + Oxygen Sodium Oxide + Type of Reaction :
    7·1 answer
  • Please help me out here please
    13·2 answers
  • How many rays are needed to be
    10·1 answer
  • Why is it important to make measurements using a standard?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!