(NH4)2Cr2O7 on heating gives a gas which is also given by
heating NH4NO2
heating NH4NO3
Mg3N2 + H2O
Na (comp.) + H2O2
Additional Questions
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Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 oxidation state, which of the following statements is incorrect? |
Answer |
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Which of the statements is not true? |
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During the extraction of gold the following reactions take place Au + CN– + H2O $\xrightarrow{O_2}$ [X] [X] + Zn → [Y] + Au X and Y are respectively |
Answer |
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Which of the following is a Ferrous alloy |
Answer |
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Identify the incorrect statement among the following |
Answer |
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Which of the following pairs of elements cannot form an alloy? |
Answer |
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Which of the following types of metals form the most efficient catalysts? |
Answer |
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Which one of the following exists in the oxidation state other than +3? |
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During the process of electrolytic refining of copper, some metals present as impurity settle as ‘anode mud’. These are |
Answer |
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Which of the following arrangements does not represent the correct order of the property stated against it? |
Answer |