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Elements which can be bent, hammered, and are good conductors of heat and electricity
metals
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Metals are good conductors of .............. and ..................
electricity ---heat
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-A non-metal that is used in making the positive pole of the dry cell. (………………………….)
graphite
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. ...................... is a liquid metal, while ………...........…… is a liquid non-meta
mercury ---- bromine
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Sulphur is a non-metal element. give reason
Because it has no luster and bad conductor of electricity.
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Cooking pots are made of…………..
aluminium
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. Poles of electric cells are made up of ...............
CARBON
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Iron is used in making………………and……………….…
bridge - door
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1-Silver has metallic luster so, it is…………….., while sulphur hasn't metallic luster so, it is……………
metal ,,,non-metal
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1. ...................... is an example of non-metals. a. Copper b. Carbon c. Aluminium d. Iron
carbon
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e. Cooking pots are made of aluminum. GR
Because aluminum is good conductor of heat.
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5-Positive poles of dry cell are made of carbon. ( )
yes
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Non-metals are found in two states. (.........)
No , THREE ( solid - liquid - gas)
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Jewels are made of gold or silver. GR
Because they are shiny and can be shaped easily
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The group of elements that doesn't have luster is known as ..............
NON-METAL
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All metals are solid elements in normal temperature except bromine.
mercury
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. All the following elements are good conductors of electricity except ………… a. Carbon b. Iron c. Sulphur d. Copper
sulphur
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Jewellery is made of…………
gold
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Carbon (graphite) is used in making positive poles of dry cells. GR
Because it is good conductor of electricity.
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-Electric wires are made up of……………. a-sulphur b-carbon c-copper
copper
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Elements that have low melting point. (…………………………..)
non metal
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Give reason:- 1-Sulphur is a non metal element
Because it has low melting point ,,bad conductor of heat ands electricicty
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