A. SiO2,Na2SiO3,CaSiO3
B. SiO2,Na2CO3,CaCO3
C. Na2CO3,K2CO3,SiO2
D. SiO2,PbCO3,CaSiO3
Carbogen to
Which of the following is used in the preparation of generated water (soda)
Which one of the following compounds in aqueous solution gives a white precipitate with perichloric acid ?
Bond energy of Cl2,Br2 and I2 follow the order
The correct order of reducing abilities of hydrides of V group elements is
The number of sigma and pi bonds in peroxodisulphuric acid are, respectively
"Fluorosis" disease is caused due to the reaction of ________ with excess of fluoride in the body
Two oxides of nitrogen,NO and NO2 react together at 2530K and form a compound of nitrogen X.X reacts with water to yield another compound of nitrogen Y.The shape of the anion of Y molecule is