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Magnesium burns in air to give
MgO MgCO3 Mg3N2 Both A. and C Submitted by :- Muhammad Nawaz
Beryllium shows diagonal relationship with
Mg Na Al B Submitted by :- Muhammad Nawaz
Which of the mentioned elements has the highest melting point?
Magnesium Calcium Strontium Beryllium Submitted by :- Muhammad Nawaz
Baking powder has one of the following constituent
NaOH NaHCO3 KOH Na2CO3 Submitted by :- Muhammad Nawaz
Lithium shows diagonal relationship with which one?
Beryllium Sodium Magnesium Calcium Submitted by :- Muhammad Nawaz
The most reactive alkali metal among the following is
Li Na Rb Cs Submitted by :- Muhammad Nawaz
Sodium reacts more vigorously than lithium because
It is a metal It has higher atomic mass It is more electronegative It is more electropositive Submitted by :-…
Potassium crystallizes in a body centered lattice. Hence, the coordination number of potassium in potassium metal is
6 8 4 12 Submitted by :- Muhammad Nawaz
Formula of gypsum is
CaSO4 CaSO4.2H₂O 2CaSO4.H2O CaSiO3 Submitted by :- Muhammad Nawaz
Which is the colour imparted by lithium to the flame?
Golden yellow Grassy green Violet Red. Submitted by :- Muhammad Nawaz