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Decibel is the unit used for –
What is the hybridization of carbon in ethyne (C₂H₂)?
Which of the following pair of element – atomicity is correct?
I. Helium – monoatomic
II. Oxygen – triatomic
Which one of the following is commonly used for pulp bleaching in the paper industry?
The reaction of an aldehyde with Tollens’ reagent results in:
What is the chemical name of baking soda?
The anode of the lead-storage battery is made up of which of the following metal?
Which chemical compound is commonly known as Pearl Ash?
Which of the following is a noble gas ?
Which of the following substances will turn red litmus paper blue?