Q.1 Textbook activity question : 1 Write the molecular formulae of oxides of the following elements by referring to the Mendeleev’s periodic table. Na, Si, Ca, C, Rb, P, Ba, Cl, Sn, Ca Ans: Element Molecular formula Element Molecular formula Na Na2O P P2O5 Si SiO2 Ba BaO Ca CaO Cl Cl2O7 C CO2 Sn […]
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Maharashtra Borad Solutions for Class 10 Science part-1 Chapter 2 Periodic Classification Of Elements
Q.1. Textbook activity question 1] Write the molecular formulae of oxides of the following elements by referring to the Mendeleev’s periodic Na, Si, Ca, C, Rb, P, Ba, Cl, Sn, Ca Element Molecular formula Element Molecular formula Na Na2O P P2O5 Si SiO2 Ba BaO Ca CaO Cl Cl2O7 C CO2 Sn SnO2 Rb […]
MCQ on 10 science part -1 Topic-2 periodic Classification of elements MCQ
1 ) Elements are classified as …………… A ) Metals B ) Non-metals C ) Metalloids D ) All of the above Ans D ) All of the above 2 ) Which is odd among the following ? A ) Li B ) Sr C ) K D ) Na Ans B ) Sr 3 […]
MCQ on Science Part I Solutions for Class 10 Science Chapter 2 – Periodic Classification Of Elements
1 ) Elements are classified as …………… A ) Metals B ) Non-metals C ) Metalloids D ) All of the above Ans D ) All of the above 2 ) Which is odd among the following? A ) Li B ) Sr C ) K D ) Na Ans B ) Sr 3 ) […]
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