Multiple Choice questions (one answer correct) - Cpathshala

CHEMISTRY PATHSHALAMole ConceptMultiple Choice questions (one answer correct )(1)(1)Avogadro s number represents the number of atoms in(a) 12g of C12(b) 320g of sulphur(c) 32g of oxygen(d) of iodine(2)The number of moles of carbon dioxide which contain 8 g of oxygen is(a) mol(b) mol(c) mol(d) mol(3)The total no of ions present in 111 g of cacl2 is(a) One mole(b) Two mole(c) Three mole(d) Four moles(4)Which of the following weighs the most ?(a) one g-atom of nitrogen(b) One mole of water(c) One mole of sodium(d) One molecule of H2So4(5) litre of M H2SO4 Contains-(a) Mole Of H2So4(b) mole H2So4(c) mole H2So4(d) moles H2O(6)A symbol not only represents the name of the element but also represents-(a) its atomic no.(b) 1 gm-atom(c) its atomicity(d) Reactivity.(7)Which has maximum number of atoms ?(a) 24g of c (12)(b) 56g of Fe (56)(c) 27g of Al (27)(d) 108g of Ag (108)(8)Number of atoms of oxygen present in Na2Co3 will be-(a) 1022(b) 1022(c) 1023(d) 1023(9)The maximum no.

CHEMISTRY PATHSHALA Mole Concept Multiple Choice questions (one answer correct) (1) (1) Avogadro’s number represents the number of atoms in (a) 12g of C12 (b) 320g of sulphur (c) 32g of oxygen (d) 12.7g of iodine

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