Handwritten Notes

    Master this deck with 19 terms through effective study methods.

    Generated from uploaded handwritten-notes

    Created by @satabdi

    What is sedimentation?

    Heavier solids settle under gravity.

    What is decantation?

    Pouring off liquid without disturbing sediment.

    How does filtration work?

    Separates solids from liquids using a filter.

    What is evaporation used for?

    Recovering soluble solids by boiling away liquid.

    What is crystallisation?

    Formation of solid crystals from a solution.

    What is centrifugation?

    Spinning to separate components by density.

    What defines a homogeneous mixture?

    Components are uniformly distributed.

    What distinguishes a heterogeneous mixture?

    Components are non-uniform and distinct phases are visible.

    What is a solution?

    A homogeneous mixture of solute and solvent.

    What is the difference between a mixture and a compound?

    Mixtures are physically combined; compounds are chemically combined.

    What happens to properties in a compound?

    Constituent substances lose their individual properties.

    What is valency?

    The combining capacity of an element's atom.

    What is a chemical formula?

    Representation of a molecule using element symbols.

    What is the criss-cross method?

    A technique for writing chemical formulas using valencies.

    What is the significance of atomicity?

    Indicates the number of atoms in a molecule.

    What is the difference between a subscript and a coefficient?

    Subscript indicates atoms in a molecule; coefficient indicates independent atoms.

    What is a polyatomic molecule?

    Contains more than three atoms.

    What is a liquid metal?

    Mercury is the only liquid metal at room temperature.

    What is a non-metal that conducts electricity?

    Graphite is a good conductor among non-metals.