Forum Forums Class 9 Science Atoms and Molecules Notifications Clear all Atoms and Molecules Page 12 / 15 Prev 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next Votes & Answers Question Question Status 0 1 117 Define molecule. By Trisha Dave, 5 years ago replies 1 0 1 148 Define atom. By Trisha Dave, 5 years ago replies 1 0 1 124 Who coined the term atom? By Trisha Dave, 5 years ago replies 1 0 1 126 Explain law of constant proportion. By Trisha Dave, 5 years ago replies 1 0 1 134 Define law of conservation of mass. By Trisha Dave, 5 years ago replies 1 0 1 608 Pick up the wrong pairs/combination (a) 6.022 x 10^23 molecules of oxygen = 32 g of oxygen... By Trisha Dave, 5 years ago replies 1 0 1 313 Which among the following is not a postulate of Dalton’s atomic theory? (a) Atoms cannot b... By Trisha Dave, 5 years ago replies 1 0 1 558 The molecular mass of x is 106. x among the following is (a) CaCO3 (b) SO3 (c) Na2CO3 (d) ... By Trisha Dave, 5 years ago replies 1 0 1 188 How many moles are present in 28 g of nitrogen atoms? (a) 1 mole (b) 2.3 moles (c) 0.5 mol... By Trisha Dave, 5 years ago replies 1 0 1 722 The formula of ethanol is C2H5-OH. Its molecular mass is (a) 46 u (b) 34 u (c) 34 g (d) 46... By Trisha Dave, 5 years ago replies 1 Page 12 / 15 Prev 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
