# data[].attributes.headline
What is the molecular weight of  Ammonia(NH3)? 

# data[].attributes.subject
What is the molecular weight of  Ammonia(NH3)? 

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What is the molecular weight of  Calcium Oxide (CaO)? 

# data[].attributes.subject
What is the molecular weight of  Calcium Oxide (CaO)? 

# data[].attributes.body
Drop your answer in comment section.

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Do you think online class is very effictive?

# data[].attributes.subject
Do you think online class is very effictive?

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Watch and learn

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Write your answer.