It can be concluded that gastric juice?
A. contains enzymes B. is acidic C. is a mixture D. has pH value of 7 Correct Answer: Option B B. is acidicA gas was evolved when a sample of gastric juice reacted with sodium trioxocarbonate (IV) . The gas evolved was?
A. NH3 B. SO2 C. HCI D. CO2 Correct Answer: Option D C. HCI D. CO2A mixture of calcium chloride and calcium trioxocarbonate (IV) in water can be separated by?
A. evaporation B. sublimation C. distillation D. filtration Correct Answer: Option D D. filtrationIn which of the reactions represented by the following equations is HNO3 behaving as a typical acid?
A. CaO + 2HNO3 → Ca(NO3)2 + H2O B. Cu + 4HNO3 → Cu(NO3)2 + 2H2O + 2NO2 C. S + 6HNO3 → H2SO4 + 6NO2 + 2H2O D. P + 5HNO3 → H3PO4 + 5NO2 + H2O Correct Answer: Option A A. CaO + 2HNO3 → Ca(NO3)2 + H2OProducts
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