Saved Bookmarks
| 1. |
QI) MULTIPLE-CHOICE QUESTION- (imx29)i)Which of the following gas contains maximum number of molecules?a) 1g of Nitrogen. b)lg of Oxygen. C) ig of Hydrogen. D) 18 of HeliumWhich of the following represents the correct chemical formula of hydrogensulphite?a)H.SO, b) H.SOc)H.S. d) a),(50.).Q2) Assertion and Reason Questions:(13)i) ASSERTION: Molecules of helium are made up of only one atomREASON: Helium atoms have completely filled valance shell,ASSERTION: One atomic mass unit is equal to 1/12- the mass of one atom of carbon-12.REASON: Carbon-12 is the isotope of the element carbonni) ASSERTION: Atoms of different elements combine together to form molecules.REASON Molecules are charged species of a compound |
|
Answer» QI) MULTIPLE-CHOICE QUESTION-(imx29)i)Which of the following gas contains maximum number of molecules?a) 1g of Nitrogen. B)lg of Oxygen. C) ig of Hydrogen. D) 18 of HeliumWhich of the following represents the correct chemical formula of hydrogensulphite?a)H.SO, b) H.SOc)H.S. d) a),(50.).Q2) Assertion and Reason QUESTIONS:(13)i) ASSERTION: Molecules of helium are made up of only one atomREASON: Helium atoms have completely filled valance shell,ASSERTION: One atomic mass unit is equal to 1/12- the mass of one atom of carbon-12.REASON: Carbon-12 is the isotope of the element carbonni) ASSERTION: Atoms of different ELEMENTS combine together to form molecules.REASON Molecules are charged species of a COMPOUND |
|