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(2) 120(d) silicona) 105) 110 - 1182. Metalloids share the properties of() metals) non-metals bothmone3. Which one of the following is used for making pencil lead?a) graphite(6) diamond (c) sulphur4 Which one of the following metals is found in liquid state?tar mercury(b) silver(c) sodium(a) calcium5. Which of the following is a metalloid?far arsenic(b) aluminium (c) calcium(d) copperDU A metal displaces hydrogen from dilute hydrochloric acid and for their respective(a) sodium(b) copper (c) silver (d) potassium7. A metal used in food packaging is(a) zinc(b) copper c) aluminum (d) mercury&.) Which of the following is alloid?(a) arsenic(b) copper (c) aluminium (d) iron9. A non-metal used in making pencils is(a) carbon(b) oxygen for graphite (d) sulphurFill in the blanks:1. Metals react with oxygen to form Metallic oxide2. Iron is mou ..... reactive than copper.Metals usually displace100 fm aridis |
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Answer» Explanation: 2-a 3-a 4- MERCURY 7 - zinc 8 - ARSENIC |
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