Properties of metals and non metals

Descrição

Middle school level
Shilpa RANA
Quiz por Shilpa RANA, atualizado more than 1 year ago
Shilpa RANA
Criado por Shilpa RANA mais de 6 anos atrás
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Resumo de Recurso

Questão 1

Questão
The property by which metals can be drawn into wires is known as [blank_start]ductility.[blank_end]
Responda
  • ductility.

Questão 2

Questão
The property by which metals can be beaten into sheets is known as [blank_start]malleability[blank_end]
Responda
  • malleability

Questão 3

Questão
The elements are arranged on the basis of their [blank_start]atomic number[blank_end] in the periodic table
Responda
  • atomic number

Questão 4

Questão
The metal which exists in liquid state
Responda
  • Sodium
  • Gallium
  • Aluminium

Questão 5

Questão
Carbon ans silicon have high boiling and melting point
Responda
  • True
  • False

Questão 6

Questão
Phosphorus is stored in oil as it reacts with water and air.
Responda
  • True
  • False

Questão 7

Questão
Heavy oxide ores of lead and tin are concentrated by:
Responda
  • Hydraulic washing
  • froth floatation

Questão 8

Questão
The ore extracted from mines is crushed to [blank_start]increase the surface area.[blank_end]
Responda
  • increase the surface area.

Questão 9

Questão
The most suitable method for concentrating iron ore is [blank_start]magnetic method[blank_end]
Responda
  • magnetic method
  • Froth floatation method

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