Depends what the stain is from. NO way to answer this without that fact.
Hot water.
You can, but it is not recommended. The stain may redeposit on other clothes, or the hot water might make the stain set more strongly. If you rinse the blood out with cold water, then it can be safely washed with other clothes.
Its better to wash grape stains in a 60 degree wash,, Hot water alone wont get it out
Powdered juice dissolves faster in hot water, but tastes better in cold water.
It can, but hot water works better because it helps to dissolve grease and hardened food better than cold.
You soak clothes with blood stains on them in cold water.
hydrogen peroxide and cold water
Clothes that get blood on them, need to be steeped in COLD water immediately otherwise the blood is nearly impossible to remove once it has dried.
Hot water.
Grease stains clothes it is very difficult to get out, if it will come out at all.
Cold water is cheaper and really there's no difference but it could be easier on your clothes!
Protein stains require a cold water soak.Dye stains require hot water and a pretreatment. Stubborn dye stains require bleach.Oily stains require liquid detergent put on them before they go in to the washing machine.Other stains will just come out in the wash.
Yes, blood stains clothes. It is a protein stain, and is difficult to remove. If you have a blood stain to remove, use cold water and pretreat it with OxyClean.
You can, but it is not recommended. The stain may redeposit on other clothes, or the hot water might make the stain set more strongly. If you rinse the blood out with cold water, then it can be safely washed with other clothes.
The best way to launder silk clothes is to soak the clothes in lukewarm water for 5 minutes, rub stains gently and then rinse in cold water. Finally, remove excess water by rolling in a towel.
Removing stains depends greatly on the type of stain, but here si a general procedure:Remove as much of the stain as you can by blotting or scraping.Pretreat the stain.Wash the stain as you normally would. Depending on the stain, hot or cold water may be a better idea.
Coffee stains are not very difficult to remove. Washing it with detergent should be enough. If you have cream in your coffee you may want to rinse the stain in cold water first, or wash it on a cool water cycle.