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प्रश्न
Select the correct answer from the choice given below.
An element which is a poor conductor of heat
विकल्प
copper
carbon
aluminum
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उत्तर
carbon
संबंधित प्रश्न
State the number of atoms of CaCO3
Tick (√) the correct alternative from the choice given for the following statement
A metal which is brittle
Classify substances into pure and impure substances in the form of a chart or tabulation.
Write the names of elements from the following symbol:
Fe
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
Give three differences between elements & compounds with relevant examples.
Classify the following as metals, non-metals and metalloids.
Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
Differentiate metals and non-metals.
Classify the substances given in Fig. 2.2 into elements and compounds
