Q.11103: 18Ar⁴⁰, 19K⁴⁰ અને 20Ca છે? |
18Ar⁴⁰, 19K⁴⁰ અને 20Ca છે? - - 18Ar⁴⁰, 19K⁴⁰ ane 20Ca chhe? General Science in Gujarati, Chemistry question answers in Gujarati pdf questions in Gujarati, Know About General Science online test General Science notes in Gujarati quiz book