Test Index
CBSE Class 10 Science 2020 Outside Delhi Set 1
© examsnet.com
Question : 12 of 30
Marks:
+1,
-0
An element ' ' is forming an acidic oxide. Its position in modern periodic table will be (a) Group 1 and Period 3(b) Group 2 and Period 3(c) Group 13 and Period 3(d) Group 16 and Period 3ORConsider the following statements about an element ' ' with number of protons 13 .(A) It forms amphoteric oxide(B) Its valency is three(C) The formula of its chloride is The correct statements (s) is/are
Go to Question: