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प्रश्न
Choose the correct option.
Which of the following pair of elements has similar properties?
विकल्प
13, 31
11, 20
12, 10
21, 33
MCQ
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उत्तर
13, 31
shaalaa.com
Blockwise Characteristics of Elements
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Modern Periodic Table - Exercises [पृष्ठ १०९]
