Related InterviewSolutions

• The golden yellow colour associated with `NaCl` to Bunsen flame be explained on the basis ofA. low ionisation potential of sodiumB. emission spectrumC. photosensitivity of sodiumD. Sublimation of metallic sodium of yellow vapours
• Potassium is kept inA. AlcoholB. WaterC. KeroseneD. Liquid ammonia
• The cation which gives a yellow precipitate with potassium chromate isA. `SrCO_(3)`B. `BaCO_(3)`C. `CaCO_(3)`D. `MgCO3`
• Which is an ore of potassiumA. CarnalliteB. CryoliteC. BauxiteD. Dolomite
• `KF` combination with `HF` to form `KHF_(2)`. The compound contains the speciesA. `K^(+), F^(-)` and `H^(+)`B. `K^(+), F^(-)` and `HF`C. `K^(+)` and `[HF_(2)]^(-)`D. `[KHF]^(+)` and `F^(-)`
• Which of the following on thermal decomposition yields a basic as well as an acidic oxide?A. `CaCO_(3)`B. `NH_(4)NO_(3)`C. `NaNO_(3)`D. `KClO_(3)`
• Which of the following is not a water softener?A. `Na_(2)CO_(3)`B. `Na_(2)SO_(4)`C. CalgonD. Permutit
• A solution of metal hydroxide `(MOH)` with copper sulphate and mixed tartarate of metal `M` with another metal `M_(1)` of the same group is used in the detection of `-CHO` froup. Metal `M` and `M_(1)` are respectivelyA. `K, Na`B. `K, Rb`C. `Na, Li`D. `Rb, Na`
• Which of the following statement is falseA. The milk of magnesia used as antacid is chemically `MgO+MgCl_(2)`B. Stability of alkali metal peroxides increases with increase in atomic number.C. Hydration energy of `AgF` is higher than its lattice energyD. Anhydrous `MgCl_(2)` cannot be prepared by direct heating of `MgCl_(2).6H_(2)O`.
• Which of the following is used as barium meal for getting the `X`-ray spectrum of the human gigestive system?A. `BaSO_(4)`B. `BaCl_(2)`C. `BaF_(2)`D. `BaCO_(3)`