What are the white powders in chemistry in junior high school inference questions.

Updated on vogue 2024-06-17
12 answers
  1. Anonymous users2024-02-12

    There is an error on the above that at room temperature HG (mercury) is liquid.

  2. Anonymous users2024-02-11

    Black solids are: carbon, manganese dioxide, copper oxide, ferric oxide.

  3. Anonymous users2024-02-10

    White solids: anhydrous copper sulfate, magnesium oxide, phosphorus pentoxide, calcium oxide, calcium hydroxide, sodium hydroxide, sodium chloride, sodium carbonate, calcium carbonate, potassium chlorate, potassium chloride.

  4. Anonymous users2024-02-09

    Calcium carbonate, sodium carbonate, calcium bicarbonate, sodium bicarbonate, anhydrous copper sulfate, barium sulfate.

  5. Anonymous users2024-02-08

    Sodium carbonate, sodium bicarbonate, anhydrous copper sulfate, white phosphorus, calcium oxide, sodium oxide, sodium hydroxide.

  6. Anonymous users2024-02-07

    Most of the chemical reagents are white, and a few have other colors

    Solids: copper oxide, carbon, iron powder, manganese dioxide, ferric oxide black.

    Copper elemental bright red.

    Potassium permanganate purplish-red.

    Solution: Such as copper salt, iron salt, ferrous salt aqueous solution is colored copper salt (blue), iron salt (yellow), ferrous salt (green).

    Potassium permanganate purplish-red.

  7. Anonymous users2024-02-06

    mgo, p2o5, cao, naoh, ca(oh)2, kclo3, kcl, na2co3, nacl, anhydrous cuso4

    fe(oh)2

    agoh,na2o

    nahco3

    agcbaso4

    caco3caso3

    mg(oh)2

    al(oh)3

    Tribromophenol. mgco3

    All of the above are white, and they can be ground into powder

  8. Anonymous users2024-02-05

    Too much ......Let's post the original question.

  9. Anonymous users2024-02-04

    That's a lot, carbonate, barium sulfate.

  10. Anonymous users2024-02-03

    Sodium bicarbonate (baking soda) is a white powder.

  11. Anonymous users2024-02-02

    Too much ......Let's just post the original question.

  12. Anonymous users2024-02-01

    1. Red solid: copper, iron oxide 2. Green solid: basic copper carbonate 3

    Copper hydroxide, copper sulfate crystal 4, purple-black solid: potassium permanganate 5, light yellow solid: sulfur 6, colorless solid:

    Ice, dry ice, diamond 7, silver-white solid: silver, iron, magnesium, aluminum, mercury and other metals 8, black solid: iron powder, charcoal, copper oxide, manganese dioxide, ferric oxide, (carbon black, activated carbon) 9, reddish-brown solid:

    Iron hydroxide 10, white solid: sodium chloride, sodium carbonate, sodium hydroxide, calcium hydroxide, calcium carbonate, calcium oxide, copper sulfate, phosphorus pentoxide, magnesium oxide (2), the color of the liquid 11, colorless liquid: water, hydrogen peroxide 12, blue solution:

    Copper sulfate solution, copper chloride solution, copper nitrate solution 13, light green solution: ferrous sulfate solution, ferrous chloride solution, ferrous nitrate solution 14, yellow solution: iron sulfate solution, ferric chloride solution, ferric nitrate solution 15, purple red solution:

    Potassium permanganate solution 16, purple solution: litmus solution Iron hydroxide: reddish-brown precipitate.

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