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Answers
Answer:
1) Object - Iron.
Properties - It won't reacts with hot or cold water.
Iron is a metal.
2) Object - Lithium.
Properties - Having least dense.
Lithium is a metal.
3) Object - Oxygen.
Properties - Colourless, Odorless, Tasteless, Low conductivity.
Oxygen is a non-metal.
4) Object - Nitrogen.
Properties - No odor, is tasteless and colourless.
Nitrogen is a non-metal.
5) Object - Sodium.
Properties - soft metal, reactive and with a low melting point.
Sodium is a metal.
6) Object - Fluorine.
Properties - Highly Poisonous at room temperature, Does not combine with Oxygen, High electronegativity.
Fluorine is non-metal.
7) Object - Magnesium.
Properties - A silvery-white metal that ignites easily in air and burns with a bright light.
Magnesium is a metal.
8) Object - Calcium.
Properties - White metallic, Solid, Relatively soft metal, Cubic, It can be beaten into extremely thin sheets.
Calcium is a metal.
9) Object - Chlorine.
Properties - Greenish-yellow, Gas, Suffocating smell, About two and one-half times as dense as air, Is soluble in water.
Chlorine is a metal.
10) Object - Carbon.
Properties - soft, dull gray or black non-metal that can scratch with a fingernail, it will sink in water.
Carbon is a non-metal.