Forum Forums Class 9 Science Atoms and Molecules Notifications Clear all Atoms and Molecules Page 1 / 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next Votes & Answers Question Question Status 0 1 268 The symbols of the elements cobalt, aluminium, helium and sodium respectively written by t... By BidishaKashayap1333, 2 years ago replies 1 0 1 242 In hydrogen peroxide (H2O2), the proportion of hydrogen and oxygen by mass is By BidishaKashayap1333, 2 years ago replies 1 0 1 172 In water, the proportion of oxygen and hydrogen by mass is By BidishaKashayap1333, 2 years ago replies 1 0 1 194 Which of the following elements has the same molecular mass as its atomic mass? By BidishaKashayap1333, 2 years ago replies 1 0 1 124 The atoms of which of the following pair of elements are most likely to exist in free stat... By BidishaKashayap1333, 2 years ago replies 1 0 1 248 The scientist who proposed the first letter (or first letter and another letter) of the La... By BidishaKashayap1333, 2 years ago replies 1 0 1 252 One nm is equal to: (a) 10^-9 nm (b) 10^-7 nm By BidishaKashayap1333, 2 years ago replies 1 0 1 133 Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest ... By BidishaKashayap1333, 2 years ago replies 1 0 1 276 The law of constant proportion was given by: (a) Proust (b) Lavoisier (c) Dalton (d) Berze... By BidishaKashayap1333, 2 years ago replies 1 0 1 75 If 1.4g of calcium oxide is formed by the complete decomposition of calcium carbonate, the... By BidishaKashayap1333, 2 years ago replies 1 Page 1 / 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next Share: Super Globals Requests: Array ( ) Server: Array ( ) 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
