Table of Contents
- 1 What is formed when iron filings?
- 2 Why do iron filings show magnetic field patterns?
- 3 What is iron filings element or compound?
- 4 What happens when iron filings are heated?
- 5 What happens with iron filings and a magnet?
- 6 How would you separate a mixture composed of sulfur and iron filings?
- 7 Why do iron filings catch fire?
- 8 What is formed when iron and sulfur are heated?
What is formed when iron filings?
When iron filings are heated with dilute hydrochloric acid Fe (II) chloride and hydrogen gas are formed. Explanation: When dilute hydrochloric acid is added to iron filings, iron chloride and hydrogen gas is produced. The iron displaces hydrogen from hydrochloric acid to form iron (II) chloride and hydrogen gas.
Why do iron filings show magnetic field patterns?
Tiny bits of iron, such as iron filings, align to form a detailed map of field lines because the north pole of one piece orients to repel the north pole of another piece and attract its south pole. To solve this problem, iron filings are sprinkled onto paper or plastic over a magnetic field.
How does iron filings determine the shape of a magnetic field?
You can use a plotting compass or iron filings to detect a magnetic field:
- put a piece of paper over a magnet (this stops the iron filings sticking to the magnet)
- sprinkle iron filings onto the paper.
- gently tap the paper to spread the filings out.
- observe and record the results.
What is iron filings element or compound?
Mixture. Compound. iron filings (Fe) Pure Substance. Element.
What happens when iron filings are heated?
When iron filings and sulphur powder are mixed and heated they undergo a chemical reaction and form ferrous sulphide (FeS). It is a new substance which has properties entirely different from Fe and S.
Why do the iron filings arrange in a pattern class 10?
The magnet exerts its influence in the region surrounding it. Therefore the iron filings experience a force. The force thus exerted makes iron filings to arrange in a pattern. The lines along which the iron filings align themselves represent magnetic field lines.
What happens with iron filings and a magnet?
The lines that form these magnetic field patterns are called magnetic field lines. With the use of iron filings, we can see these magnetic fields. When iron filings are sprinkled on a bar magnet, you see that these magnetic field lines start at the magnet’s north end and will end at the magnet’s south end.
How would you separate a mixture composed of sulfur and iron filings?
Stir some iron filings and sulfur together to form a powder. You have just taken two elements and combined them to form a mixture. You can separate the components of the mixture by stirring the powder with a magnet; the iron filings will stick to the magnet while the sulfur will not.
What type of mixture is iron filings and sand?
heterogeneous mixture
Mixture of sand and iron filings is heterogeneous mixture.
Why do iron filings catch fire?
Answer Expert Verified Iron has a strong molecular force of attraction. But iron fillings when sprinkled in flames attain the ignition temperature ( as iron fillings are comparatively smaller particles) and gain larger surface area for the reaction. Therefore they burn vigorously.
What is formed when iron and sulfur are heated?
Iron and sulfur react together when they are heated to make a compound called iron sulfide.