DP HEAD CONSTABLE AWO/TPO (GENERAL SCIENCE) QUIZ

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Question 1:

Which of the following does not have any effect on velocity of sound?

Question 2:

Which of the following is the most commonly used chemical for the ripening mangoes in India?

Question 3:

Which of the following gas is coloured ?

Question 4:

Which one of the following is the 'energy currency' for cellular processes?

Question 5:

Which of the following options is an example of salt gives an aqueous solution of pH less than 7?