Q.2 Find the odd one out: 6
1) Boron, Silicon, Arsenic, Sodium
2) Ca, Ba, S, Sr
3) Lithium, Sodium, Iodine, Potassium
4) Hydrogen, Helium, Neon, Argon
5) Carbon, Nitrogen, Oxygen, Sulphur
6) Li, Sr, K, Na
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Q.2 Find the odd one out: 6
1) Boron, Silicon, Arsenic, Sodium
2) Ca, Ba, S, Sr
3) Lithium, Sodium, Iodine, Potassium
4) Hydrogen, Helium, Neon, Argon
5) Carbon, Nitrogen, Oxygen, Sulphur
6) Li, Sr, K, Na
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Answer:
1 sodium
2 Sr
3 iodine
4 hydrogen
5 sulphur
6 Sr