Quiz

Properties of metals and non metals

Shilpa RANA 9 perguntas

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Perguntas do quiz (9)

1The property by which metals can be drawn into wires is known as [blank_start]ductility.[blank_end]
1. Aductility.
2The property by which metals can be beaten into sheets is known as [blank_start]malleability[blank_end]
1. Amalleability
3The elements are arranged on the basis of their [blank_start]atomic number[blank_end] in the periodic table
1. Aatomic number
4The metal which exists in liquid state
1. ASodium
2. BGallium
3. CAluminium
5Carbon ans silicon have high boiling and melting point
1. AVerdadeiro
2. BFalso
6Phosphorus is stored in oil as it reacts with water and air.
1. AVerdadeiro
2. BFalso
7Heavy oxide ores of lead and tin are concentrated by:
1. AHydraulic washing
2. Bfroth floatation
8The ore extracted from mines is crushed to [blank_start]increase the surface area.[blank_end]
1. Aincrease the surface area.
9The most suitable method for concentrating iron ore is [blank_start]magnetic method[blank_end]
1. Amagnetic method
2. BFroth floatation method