SOF NSO · Metals and Non-metals (Class 10) · Quiz
5 real SOF NSO questions on Metals and Non-metals (Class 10). Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 5
HARDAn element X forms an oxide X2O3 which is amphoteric in nature. When element X reacts with dilute H2SO4, it forms a salt and hydrogen gas is evolved. However, X does not react with cold water. Based on this information, element X is most likely: