Question : Which of the following is the formula of barium peroxide?
Option 1: Ba2O2
Option 2: BaSO4
Option 3: BaO
Option 4: BaO2
Correct Answer: BaO2
Solution : The correct option is BaO2.
Barium peroxide (BaO2) is a chemical compound containing barium and oxygen. It is a white, crystalline solid with applications in pyrotechnics and bleaching. It releases oxygen when heated, making it useful in certain chemical processes. Additionally, it plays a role in environmental remediation and material synthesis.
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Question : Which of the following is not a neutral oxide?
Option 1: N2O
Option 2: Na2O
Option 3: NO
Option 4: CO
Question : Supersonic jets cause thinning of which layer?
Option 1: O2 layer
Option 2: O3 layer
Option 3: CO2 layer
Option 4: SO2 layer
Question : In which of the following ions, the colour is not due to d-d transition?
Option 1: [Ti(H2O)6]+3
Option 2: CoF63−
Option 3: MnO4−
Option 4: [Cu(NH3)4]2+
Question : What is the chemical formula of "quartz"?
Option 1: SiO3
Option 2: SiO5
Option 3: SiO
Option 4: SiO2
Question : What is the correct formula for calcium hydroxide?
Option 1: CaOH
Option 2: Ca(OH)4
Option 3: Ca(AlOH)4
Option 4: Ca(OH)2
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