Fill in the following blanks with suitable words:
(a) Metals are……………. conductors of heat and………………
(b) Most non-metals are……………. conductors of heat and electricity.
(c) Phosphorous is a very……………. Non-metal.
(d) Metals react with acids to produce………… gas.
(e) Iron is more…………. than copper.
(f) Metals form………oxides whereas non-metals form………oxide.
(g) Sulphur forms………oxide whereas magnesium forms……………oxide.
(h) A non-metal is used to make an antiseptic solution called tincture……………
(a) Metals are good conductors of heat and electricity.
(b) Most non-metals are poor conductors of heat and electricity.
(c) Phosphorous is a very reactive Non-metal.
(d) Metals react with acids to produce hydrogen gas.
(e) Iron is more reactive than copper.
(f) Metals form basic oxides whereas non-metals form acidic oxide.
(g) Sulphur forms acidic oxide whereas magnesium forms basic oxide.
(h) A non-metal is used to make an antiseptic solution called tincture iodine.
Related Articles
- Most non-metals are (bad/good) conductors of heat.
- Fill in the blanks :Phosphorus is a very ………… non-metal.Metals are …….. conductors of heat and ………Iron is ……… reactive than copper.Metals react with acids to produce ………. gas.
- Taking examples of magnesium and sulphur, explain how metals and non-metals produce oxides with different characteristics.
- Three elements B, Si and Ge are(a) metals(b) non-metals(c) metalloids(d) metal, non-metal and metalloid respectively
- Why are metals called electropositive elements whereas non-metals are called electronegative elements?
- (a) What are metals? Name five metals.(b) What are non-metals? Name five non-metals.
- (a) What are (i) metals (ii) non-metals, and (iii) metalloids ?Give two examples each of metals, non-metals and metalloids.(b) Classify the following into metals, non-metals and metalloids :Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium
- Elements with valency 1 are(a) always metals(b) always metalloids(c) either metals or non-metals(d) always non-metals
- Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are colored.(a) Name a lustrous non-metal.(b) Name a non-metal which exists as a liquid at room temperature.(c) The allotropic form of a non-metal is a good conductor of electricity. Name the allotrope.(d) Name a non-metal which is known to form the largest number of compounds.(e) Name a non-metal other than carbon which shows allotropy.(f) Name a non-metal which is required for combustion.
- Which of the following statements is correct?All metals are ductile.All non-metals are ductile.Generally, metals are ductile.Some non-metals are ductile.
- Although metals form basic oxides, which of the following metals form an amphoteric oxide?NacaAlCu
- Which of the following statements is correct?(a) All metals are ductile.(b) All non-metals are ductile.(c) Generally, metals are ductile.(d) Some non-metals are ductile.
- Metals are (softer/harder) than non-metals.
- State whether the following statements are true or false?(a) All metals exist in solid form at room temperature.(b) Coal can be drawn into wires.(c) Non-metals react with dilute acids to produce hydrogen gas.(d) Sodium is a very reactive metal.(e) Copper displaces zinc from zinc sulphate solution.(f) Rust formed on iron objects is basic in nature.(g) Non-metals react with water to form a gas which burns with a ‘pop’ sound.
- The number of metals is much ………….. than non-metals.
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