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chemistry

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  • Which one is compressible? a. Cotton b. Gold c. Marble d. stone
    cotton
  • Dried leaves fallen on the surface of a pond _____ in the pond
    floats
  • Find the odd one out from the following (a) Tawa (b) Spade (c) Pressure cooker (d) Eraser
    eraser
  • Copper and gold are _______
    metals
  • Materials that do not allow light to pass through them are called ____.
    opaque
  • water is a _______ liquid
    transparent
  • Metals have a shiny appearance called _____.
    lustre
  • vinegar is ______ in water Answers
    miscible
  • Materials which can be pressed easily are called _____ materials.
    soft
  • Match the Column I with Column II
    Soluble in water - honey , copper sulphate , glucose Insoluble in water - chalk powder, soil , mustard oil , saw dust , wheat flour
  • The materials which are difficult to compress are known as _________
    soft
  • Which of the following materials is not lustrous? (a) Gold (b) Silver (c) Wood (d) Diamond
    wood
  • ______ and ________ dissolves in water
    Oxygen and Carbon-dioxide
  • An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull? (a) Mustard oil (b) Soft drink (c) Coconut oil (d) Kerosene
    B
  • Select odd one out? (a) Aluminium (b) Iron (c) Silver (d) Sand
    sand
  • Which of the following is a soft material? (a) Iron (b) Sponge (c) Plastic (d) None of these
    sponge
  • cotton is a ____materials
    soft