Write the True or False.
1. The region covered by the boundary of a plane figure is called its volume
21 Water is denser than kerosene |
3: A ball of iron floats in mercury. [
4. Two different elements may have similar atoms.
5. NaCl represent one molecule of sodium chloride.
6. Argon is mono atomic gas
1
7. The basic unit of an elements is molecule [
8. An atom is electrically neutral.[
9. A complete flower has four whorls.
1
10. Conical shaped root is carrot. [.
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