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misc
19問 • 1年前
  • Suhrid Saha
  • 通報

    問題一覧

  • 1

    NA and K are kept in

    kerosene oil

  • 2

    Gas used in Holmes signal

    phosphine

  • 3

    Radium is extracted from

    pitch blende

  • 4

    Sea weeds contain

    iodine

  • 5

    Bones contain

    57% calcium phosphate

  • 6

    Artificial perfumes made from

    ethyl acetate

  • 7

    What is called fool's gold

    Iron pyrites

  • 8

    Used for killing rats

    zinc phosphide

  • 9

    Used for coating furniture

    zinc phosphide

  • 10

    Called hydrolith

    calcium hydride

  • 11

    Sugar heated on 200°c decomposes into

    carbon and water

  • 12

    Reacts in air but unreactive in water

    phosphorous

  • 13

    Mercury is stored in

    iron pot

  • 14

    Other name of classical smog

    London type smog

  • 15

    Other name of photochemical smog

    los Angeles smog

  • 16

    What smog is oxidising in nature

    photochemical smog

  • 17

    What smog is reducing in nature?

    classical smog

  • 18

    For healthy aquatic life , dissolved oxygen is

    5-6 ppm

  • 19

    For clean water , BOD is

    less than 5 ppm

  • height and distance

    height and distance

    Suhrid Saha · 32問 · 2年前

    height and distance

    height and distance

    32問 • 2年前
    Suhrid Saha

    idioms 4

    idioms 4

    Suhrid Saha · 49問 · 2年前

    idioms 4

    idioms 4

    49問 • 2年前
    Suhrid Saha

    Terms for studies

    Terms for studies

    Suhrid Saha · 42問 · 2年前

    Terms for studies

    Terms for studies

    42問 • 2年前
    Suhrid Saha

    suhrid biology important names scientists

    suhrid biology important names scientists

    Suhrid Saha · 50問 · 2年前

    suhrid biology important names scientists

    suhrid biology important names scientists

    50問 • 2年前
    Suhrid Saha

    biological term names (suhrid)

    biological term names (suhrid)

    Suhrid Saha · 48問 · 2年前

    biological term names (suhrid)

    biological term names (suhrid)

    48問 • 2年前
    Suhrid Saha

    differences in cells

    differences in cells

    Suhrid Saha · 6問 · 2年前

    differences in cells

    differences in cells

    6問 • 2年前
    Suhrid Saha

    obituaries August 2023

    obituaries August 2023

    Suhrid Saha · 16問 · 2年前

    obituaries August 2023

    obituaries August 2023

    16問 • 2年前
    Suhrid Saha

    event names

    event names

    Suhrid Saha · 19問 · 2年前

    event names

    event names

    19問 • 2年前
    Suhrid Saha

    GI tags

    GI tags

    Suhrid Saha · 47問 · 2年前

    GI tags

    GI tags

    47問 • 2年前
    Suhrid Saha

    Imp themes 2023(suhrid)

    Imp themes 2023(suhrid)

    Suhrid Saha · 89問 · 2年前

    Imp themes 2023(suhrid)

    Imp themes 2023(suhrid)

    89問 • 2年前
    Suhrid Saha

    birth defects

    birth defects

    Suhrid Saha · 7問 · 2年前

    birth defects

    birth defects

    7問 • 2年前
    Suhrid Saha

    no. of chromosomes

    no. of chromosomes

    Suhrid Saha · 15問 · 2年前

    no. of chromosomes

    no. of chromosomes

    15問 • 2年前
    Suhrid Saha

    body parts similarity

    body parts similarity

    Suhrid Saha · 7問 · 2年前

    body parts similarity

    body parts similarity

    7問 • 2年前
    Suhrid Saha

    category and main plants

    category and main plants

    Suhrid Saha · 11問 · 2年前

    category and main plants

    category and main plants

    11問 • 2年前
    Suhrid Saha

    edible parts of fruits

    edible parts of fruits

    Suhrid Saha · 18問 · 2年前

    edible parts of fruits

    edible parts of fruits

    18問 • 2年前
    Suhrid Saha

    one word pyq 1

    one word pyq 1

    Suhrid Saha · 50問 · 2年前

    one word pyq 1

    one word pyq 1

    50問 • 2年前
    Suhrid Saha

    one word pyq 2

    one word pyq 2

    Suhrid Saha · 50問 · 2年前

    one word pyq 2

    one word pyq 2

    50問 • 2年前
    Suhrid Saha

    問題一覧

  • 1

    NA and K are kept in

    kerosene oil

  • 2

    Gas used in Holmes signal

    phosphine

  • 3

    Radium is extracted from

    pitch blende

  • 4

    Sea weeds contain

    iodine

  • 5

    Bones contain

    57% calcium phosphate

  • 6

    Artificial perfumes made from

    ethyl acetate

  • 7

    What is called fool's gold

    Iron pyrites

  • 8

    Used for killing rats

    zinc phosphide

  • 9

    Used for coating furniture

    zinc phosphide

  • 10

    Called hydrolith

    calcium hydride

  • 11

    Sugar heated on 200°c decomposes into

    carbon and water

  • 12

    Reacts in air but unreactive in water

    phosphorous

  • 13

    Mercury is stored in

    iron pot

  • 14

    Other name of classical smog

    London type smog

  • 15

    Other name of photochemical smog

    los Angeles smog

  • 16

    What smog is oxidising in nature

    photochemical smog

  • 17

    What smog is reducing in nature?

    classical smog

  • 18

    For healthy aquatic life , dissolved oxygen is

    5-6 ppm

  • 19

    For clean water , BOD is

    less than 5 ppm