तलका मध्ये कुन समूहले तत्त्वको धातु गुण बढ्दै जाने सही क्रम सङ्केत गर्छ ? Which of the following sequences represents the correct order of increase…
SEE Class 10 Science · 2082 · Solved Question with Answer
तलका मध्ये कुन समूहले तत्त्वको धातु गुण बढ्दै जाने सही क्रम सङ्केत गर्छ ?
Which of the following sequences represents the correct order of increase in chemical reactivity of metals?
(i) Be< Mg < Ca
(ii) Na< Li < K
(iii) Mg< Al < Si
(iv) Li< K < Na