10. Which of the following statements is incorrect?(a) One gram atom of carbon contains Avogadro'snumber of atoms.(b) One mole of oxygen gas contains Avogadro'snumber of molecules.One mole of hydrogen contains Avogadro'snumber of atoms.(d) One mole of electrons stands for 6.02 10electrons.11. The total number of electrons present in 18 mL ofwater (density of water is 1 g mL) is(a) 6.021023(c) 6.02x1024(b) 6.02x 1022(d) 6.02x 1025A metal oxide has the formula M2O3. It can be reducedby H, to give free metal and water. 0.1596 g of M20required 6 mg of H2 for complete reduction. Theatomic mass of the metal is(a) 27.9(b) 79.8 (c) 55.8(d) 159.8

10. Which of the following statements is incorrect?(a) One gram atom o

1.	10. Which of the following statements is incorrect?(a) One gram atom of carbon contains Avogadro'snumber of atoms.(b) One mole of oxygen gas contains Avogadro'snumber of molecules.One mole of hydrogen contains Avogadro'snumber of atoms.(d) One mole of electrons stands for 6.02 10electrons.11. The total number of electrons present in 18 mL ofwater (density of water is 1 g mL) is(a) 6.021023(c) 6.02x1024(b) 6.02x 1022(d) 6.02x 1025A metal oxide has the formula M2O3. It can be reducedby H, to give free metal and water. 0.1596 g of M20required 6 mg of H2 for complete reduction. Theatomic mass of the metal is(a) 27.9(b) 79.8 (c) 55.8(d) 159.8
Answer» 10. Which of the following statements is incorrect?(a) One gram atom of carbon contains Avogadro'snumber of atoms.(b) One mole of oxygen gas contains Avogadro'snumber of molecules.One mole of hydrogen contains Avogadro'snumber of atoms.(d) One mole of electrons stands for 6.02 10electrons.11. The total number of electrons present in 18 mL ofwater (density of water is 1 g mL) is(a) 6.021023(c) 6.02x1024(b) 6.02x 1022(d) 6.02x 1025A metal oxide has the formula M2O3. It can be reducedby H, to give free metal and water. 0.1596 g of M20required 6 mg of H2 for complete reduction. Theatomic mass of the metal is(a) 27.9(b) 79.8 (c) 55.8(d) 159.8