Answer:
A volumetric flask is lab glass or plasticware used to prepare a solution. It is used to make up a solution to a known volume. Volumetric flasks are used to measure volumes much more precisely than beakers or Erlenmeyer flasks.
Answer:
Caffeine
Explanation:
Caffeine is the world's most widely consumed additive chemical substance. But unlike other substances it is legal and not regulated under any jurisdiction
Its use has been almost doubled since 1980s. After Caffeine comes the rank of NCT a highly substance found in tobacco substances.
Answer:
Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances.
Explanation:
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They are found in group 3 of the periodic table.
Answer:
Water = compound, Orange juice with extra pulp = suspension, Milk = colloid, Calcium = Element, Iced tea = solution.
Explanation: