How do you separate a mixture of sand and iron filings and gold dust?

1 Answer

Answer :

Iron can be extracted with a magnet.Gold is exrtracted with Mercury.

Related questions

Description : Is the mixture of iron filings homogeneous or heterogeneous?

Last Answer : Feel Free to Answer

Description : Iron filings can be separated from a heterogenous mixture using the technique of (1) Sublimation (2) Magnetization (3) Sedimentation (4) Evaporation

Last Answer : (2) Magnetization Explanation: The method of separation using magnets is used when one of the components is magnetic. So the heterogeneous mixture of iron filings and some other material (such as sulphur ... by using magnets. Similarly, a mixture of sand and iron filings can be separated by magnet.

Description : Iron filings can be separated from a heterogenous mixture using the technique of : (1) Sublimation (2) Magnetization (3) Sedimentation (4) Evaporation

Last Answer : Magnetization

Description : How would you separate the mixture of iron dust and zinc dust?

Last Answer : An electromagnet would attract the iron particles and leave thezinc behind. Tapping or vibrating the electromagnetic would shakeof the zinc and help prevent zinc from clinging with the iron. Onceseparated, turning of the electromagnetic should release the ironparticles from the magnet.

Description : How might you separate a mixture iron shavings and sand by using their differing physical properties?

Last Answer : You would use a magnet and the magnet will attract the ironsince its magnetic the sand would stay michael Zender

Description : 12.Few iron filings and a pinch of sulphur powder are taken in a china dish and mixed properly. Justify the change, giving two points as physical/chemical change. -Chemistry

Last Answer : It is a physical change as if we will bring the magnet near it all the iron fillings will attract towards it. Hence it shows the properties of it constituents are present so, no new substance is formed. Therefore, it is a physical change .

Description : What pattern would be formed if sawdust was sprinkled on the glass instead of iron filings?

Last Answer : No specific pattern, sawdust is a nonmagnetic material.

Description : A mixture of salt, sand and water is given, which of these sequence can be used to separate salt -Science

Last Answer : Filtration -> Evaporation -> Condensation

Description : If you had a bucket that contained a mixture of sand and sea shells how might you use the physical properties of the seashells to separate them from the sand?

Last Answer : Try to use a sieve.

Description : How to separate pieces of copper wire from a mixture of wood chips, sand and salt?

Last Answer : Separating Salt and Sand Using Solubility Pour the salt and sand mixture into a pan. Add water. ... Heat the water until the salt dissolves. ... Remove the pan from heat and allow it to cool until it's safe to handle. Pour the salt water into a separate container. Now collect the sand.

Description : Babbitt metal (used for making bearings) comprises of (A) Mainly tin (85%) and lead (B) Saw dust and iron dust mixture (C) Zinc and aluminium (D) Copper and aluminium

Last Answer : (A) Mainly tin (85%) and lead

Description : Bog iron used for the adsorption of H2S from coke oven gas is (A) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) (B) Iron impregnated with resin (usually Bakelite) (C) Carbon free iron (D) None of these

Last Answer : (A) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide)

Description : Karbate is (A) A mixture of iron dust and saw dust (B) Carbon impregnated with resin (usually Bakelite) (C) An acid resistant material (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Description : How do you separate clean sand with little bits of iron wire?

Last Answer : with a magnet

Description : In 1 kg mixture of sand and iron, 20% is iron. How much sand should be added so that the proportion of iron becomes 10%? a) 1 kg b) 200 gms c) 800 gms d) 1.8 kg e) None of these

Last Answer : Answer: A If we add x grams of sand, the total amount would be 1,000 + x grams of mixture and we need 200 grams of iron to be 10% of that: 0.1(1,000 + x) = 200 --> x = 1,000. 

Description : Annual filings regulations for corporations in Delaware?

Last Answer : This site tells you all you need to know.

Description : The Two Major Corporate Bankruptcy Filings?

Last Answer : Just like people, sometimes a corporation accrues more debt than it actually has the ability to pay back. When this occurs, a corporation sometimes declares bankruptcy. However, ... company entered bankruptcy because survival without reorganization was unlikely, both choices are rather undesirable.

Description : My body gets darker in some places in winter . In summer, when you come in contact with powder or husk and dust and sand, you actually get redness on your face, sneezing, itching of nose, in winter, when you come in contact with them, you actually get redness on your face.

Last Answer : You have cold and skin allergies. Which is why these things are happening. Anyway, let's talk about cold allergies first. Don't let it get cold. Eat it mixed with hot water. Keep in mind that it ... skin wet. Apply Vaseline or olive oil. Give Dove Milk soap to your face every day. Drink more water.

Description : Aspergillosis (Brooder pneumonia) in young chicks is predisposed by the type of litter B A. rice husk B. Saw dust C. sand D. None of the these

Last Answer : Saw dust

Description : In water bound macadam roads, binding material, is (A) Sand (B) Stone dust (C) Cement (D) Brick dust

Last Answer : Answer: Option B

Description : Which method is used to separate pebbles and stones from sand? -Science

Last Answer : Sieving is a process by which fine particles are separated from bigger particles by using a sieve. It is used in flour mill or at construction sites. In flour mill, impurities like husks and stones are removed from wheat. Pebbles and stones are removed from sand by sieving.

Description : How separate the sand and camphor by sublimation process?

Last Answer : Sublimation of camphor occur faster by heating and sand remain.

Description : how do i prune aucuba gold dust plant, a 3 foot high shrub?

Last Answer : Need Answer

Description : How many tonnes of gold dust did indus valley ruler pay to the Persian?

Last Answer : Need answer

Description : By which a mixture of sand and naphthalene can be separated? -General Knowledge

Last Answer : The answer is 'Sublimation'

Description : Are sand and potting soil both mixture?

Last Answer : well yes they are if you read in your science book you will find out why

Description : Are marbles sand and water a mixture or a solution?

Last Answer : Sand, marbles, and water can be a mixture.

Description : The soil which is a mixture of sand, clay and silt is known as: (a) loamy soil (b) sandy soil (c) clayey soil (d) desert soil

Last Answer : Ans: (a)

Description : Match the following : A. Chernozems 1. Rich in calcium carbonate B. Black soil 2. Contains aluminium compound C. Laterite 3. Richest soils in the world D. Terra Rosa 4. Formed in limestone E. Alluvial soil 5. It is a mixture of clay, sand and ... 1 2 3 4 5 (b) 3 1 2 4 5 (c) 4 5 3 1 2 (d) 3 4 5 2 1

Last Answer : Ans: (b)

Description : Gunpowder consists of a mixture of (a) potassium nitrate and TNT (b) Sulphur, sand and charcoal (c) nitre, Sulphur and charcoal (d) TNT and charcoal

Last Answer : Ans:(c)

Description : Diamond is chemically (a) a mixture of metal carbonates (b) pure carbon (c) a pure form of sand (d) a mixture of calcium and magnesium phosphates

Last Answer : Ans:(b)

Description : Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Last Answer : (1) Slaked lime Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. The blocks may be stone, brick, cinder blocks, etc. Mortar becomes hard ... Mortar can also be used to fix, or point, masonry when the original mortar has washed away.

Description : Gunpowder consits of a mixture of – (1) sand and TNT (2) TNT and charcoal (3) nitre, sulphur and charcoal (4) sulphur, sand and charcoal

Last Answer : (3) nitre, sulphur and charcoal Explanation: Gunpowder, also known since the late 19th century as black powder, was the first chemical explosive and the only one known until the mid-1800s. ... gunpowder has been widely used as a propellant in firearms and as a pyrotechnic composition in fireworks.

Description : By which a mixture of sand and naphthalene can be separated?

Last Answer : Sublimation

Description : A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is (A) 0.50 (B) 0.58 (C) 0.68 (D) 0.62

Last Answer : (A) 0.50

Description : Glass is made of the mixture of-------? A. Quartz and Mica B. Sand and Salt C. Sand and Silicates (Answer) D. None of these

Last Answer : C. Sand and Silicates (Answer)

Description : The liquid used for the washing of coal in an industrial coal washery is a mixture of water and (A) Carbon tetrachloride (B) Sand (40%) (C) Mineral oil of high viscosity & specific gravity (1.6) (D) None of these

Last Answer : (B) Sand (40%)

Description : Heating a mixture of phosphate rock, coke and sand in an electric furnace produces (A) Phosphoric acid (B) Ammonium phosphate (C) Phosphorous (D) Superphosphate

Last Answer : (C) Phosphorous

Description : A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous. (A) Salt & coke (B) Sand & coke (C) And coke (D) And sand

Last Answer : (B) Sand & coke

Description : Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above

Last Answer : (D) All the above

Description : 1. Which act made the Indian Legislature bicameral? 2. By which a mixture of sand and naphthalene can be separated? 3. The Uruguay Round' negotiations resulted in the establishment of which organization? 4 ... by the largest number of people in India? 20. Which was the first metal used by man?

Last Answer : Answer : 1. Government of India Act, 1919 2. Sublimation 3. WTO 4. Pakistan and Afghanistan 5. Megasthenes 6. Sonar Killa 7. Medulla oblangata 8. At the first instance two months 9. Mongolia, Zambia, Bolivia ... 15. Hoogly 16. Ultrasound 17. Articles 20 and 21 18. Pine oil 19. Indo-Aryan 20. Copper

Description : Mortar is a mixture of water, sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Last Answer : Slaked lime

Description : Gunpowder consits of a mixture of (1) sand and TNT (2) TNT and charcoal (3) nitre, sulphur and charcoal (4) sulphur, sand and charcoal

Last Answer : nitre, sulphur and charcoal

Description : State the condition for using the method of centrifugation to separate contents of a mixture.State the principle involved in this process. -Chemistry

Last Answer : The basic principle of centrifugation is that the denser particles remain at the bottom and the lighter particles will remain at the top. it can be used with like colloids to separate suspended particles are separated by churning the liquid at high speed

Description : Why do we need to separate the components of a mixture? -Science

Last Answer : Solution: We need to separate different components of a mixture to separate the useful components from the non-useful or some harmful components. ... So we need to separate different components of a mixture to separate the useful components from the nonuseful for some harmful components.

Description : Which of the following method is used to separate a mixture of salt and camphor? -Science

Last Answer : Sublimation is a technique used to separate the components of a mixture containing a sublimable volatile solid and a non-sublimable impurity. Therefore, the mixture of camphor and sodium chloride can be separated by the process of sublimation.

Description : Is it Impossible to ever separate the components of a mixture?

Last Answer : It depends on what is in the mixture.If it's cake batter with flour, sugar, salt, butter, etc. then yeh it's basically impossible.But if it's a mixture of marbles and sand then you can easily separate those.

Description : `CS_(2)` can separate a mixture of

Last Answer : `CS_(2)` can separate a mixture of A. `P_(4) and S_(8)` (rhombic) B. `P_(4) and S_(8)` ( ... )` (monoclinic) D. `S_(8)` (rhombic) and S (plastic)

Description : `CS_(2)` can separate a mixture of

Last Answer : `CS_(2)` can separate a mixture of A. `P_(4) and S_(8)` (rhombic) B. `P_(4) and S_(8)` ( ... )` (monoclinic) D. `S_(8)` (rhombic) and S (plastic)

Description : What laboratory procedure you would use to separate and recover the components of a mixture containing BaSO4 Na2CO3 and C10H8?

Last Answer : Na2CO3 is soluble in water and separated by filtration from a water mixture.Naphtalene is separated by heating when sublimation occur.