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How do you remove black stains from red cloth?
To remove black stains from red cloth, you can try mixing equal parts of white vinegar and water and gently dabbing the stain with a cloth soaked in the solution. Alternatively, you can also make a paste using baking soda and water, apply it to the stain, let it sit for a few hours, then rinse it off. Remember to test these solutions on a small, inconspicuous area of the cloth first to ensure they do not cause any damage.
What year was aluminium discovered in?
Aluminium was discovered in 1825 by Hans Christian Oersted. It was first isolated in its metallic form by Friedrich Wöhler in 1827.
How is aluminium being extracted?
Aluminium is primarily extracted from bauxite ore through a process called the Bayer process. The bauxite ore is first mined and then refined to produce alumina, which is then electrolyzed to extract pure aluminium. This electrolysis process involves passing an electric current through a molten mixture of alumina and cryolite to separate the aluminium metal.
What would you see if reactive aluminum was dropped into sulfuric acid?
As aluminium is a reactive metal, it will oxidise in air to form a hard coating of aluminium oxide which surrounds the metal. To observe the reaction of sulphuric acid and aluminium, this coating must first be specially removed. Effervescence will be observed, and hydrogen gas will be produced. aluminium + sulphuric acid (reacts to form) aluminium sulphate + hydrogen gas
How do you calculate the number of grams of Al in 286 g of Al2O3 .?
To find the number of grams of Al, first calculate the molar mass of Al2O3 (2Al + 3O). Then, find the molar mass of Al. Divide the molar mass of Al by the molar mass of Al2O3 and multiply by 286 g to get the grams of Al in 286 g of Al2O3.
What was first used as a baseball?
a stone wrapped i n cloth
What were airplanes made of after wood and canvas?
It was a gradual evolution, first with metal cowlings around engines, then later with metal (usually aluminium) frames, but still covered by stressed cloth. Aluminium 'skin' was first used widely in the early 1930's.
What are the steps of mummifcation?
First, the organs are removed. Often, the brain was sucked out through the nose. Then, they were filled with embalming fluid and wrapped in strips of cloth.
What are the steps of wraping a mummy?
First, the organs are removed and put into jars. Then, they are filled with embalming fluid. Lastly, they are wrapped tightly with many layers of cloth.
What did Laura Ingalls 1 doll made out of?
Laura's very first doll was a corncob named Susan, and so likewise she was made of corn, and wrapped in a bit of cloth. Laura's second doll was a rag doll called Charlotte and Caroline (her Ma) made her, with blue and pink calico cloth for the dress, black yarn for the hair, which she raveled to make curly, black buttons for the eyes, drew eyebrows with a black pencil, and made ink from pokeberries to give her rosy cheeks and red lips. Her body was cloth as well.
What was the type of clothing in India in the 20th century?
Indian clothing took on a political significance during the first half of the 20th century. Men wore the dhoti and shawl, a rectangular strip of cloth, wrapped and knotted around the legs and waist. Women wore a sari, a long strip of unstitched cloth that is wrapped around the body.
What was made for face the mummy bodies?
The embalmers made a mask to protect the mummies face but it is first wrapped with yards of linen cloth and bandages along its body.
What do some Christians believe about the Turin Shroud?
_______________ Some Catholics believe the Shroud of Turin to be the very shroud in which Jesus was wrapped after his crucifixion, although there is compelling evidence to the contrary. If it really is the cloth in which Jesus was wrapped, this creates a serious problem for the authenticity of John's Gospel, since the Gospel says that there was a separate cloth placed over Jesus' face (John 20:7), in line with first-century practice, whereas the image on the Shroud of Turin clearly represents Jesus as being wrapped in a single cloth.
Where did they get the bandeges to mummifie people?
The bandages the Egyptians used to wrap the deceased were linen strips. They first wrapped the head and the neck, then the fingers and toes, which were individually wrapped. They wrapped the arms and legs next. Resin was used to glue the bandages together. After a Book of the Dead and amulets were put in the wrappings, the mummy was covered with a large cloth that was attached with linen strips. They then placed it in a sarcophagus.
What were the rotors from the first helicopter made from?
They were aluminium
How are feet bound?
they wrapped it in a bandage until it broke the toes and bent the feet this continued for two years
Why does a wrapped egg falls first than the ball?
it because wrapped egg have u arrange
