MCQ
When coal burns in air then.
- ✓Carbon dioxide is formed.
- BSulphur dioxide is formed.
- CCarbon monoxide is formed.
- DHydrogen gas is formed.
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Column-A
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Column-B
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$(i)$
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Ductile
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$(p)$
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The property of making resonating sound.
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$(ii)$
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Malleable
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$(q)$
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A substance can be drawn into wires.
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$(iii)$
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Sonority
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$(r)$
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The substance can be beaten into thin sheets.
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$(iv)$
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Tensile strength
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$(s)$
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Ability to withstand the longitudinal pull.
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S. No.
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Material
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Type/ Nature
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$1.$
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Nylon
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Synthetic and non-biodegradable
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$2.$
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Jute
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Natural and non-biodegradable
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$3.$
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Coir
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Synthetic and biodegradable
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$4.$
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Wool
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Natural and biodegradable
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$5.$
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Acrylic
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Blended and biodegradable
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$6.$
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Polyester
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Synthetic and non-biodegradable
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