Let there be an object having some chemicals in it. It starts moving with a uniform velocity v, and a chemical reaction starts happening. In this case, which of the following statement/s is/are correct? 1) Chemical reactions happening in the system cannot

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Q: (NDA-II/2019)
Let there be an object having some chemicals in it. It starts moving with a uniform velocity v, and a chemical reaction starts happening. In this case, which of the following statement/s is/are correct? 1) Chemical reactions happening in the system cannot change the velocity v of the centre of mass of the object. 2) Chemical reactions happening in the system cannot change the kinetic energy of the particles inside with respect to the centre of mass an object weighs 36g in air and has a volume of 8.0 cmof an object.
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question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,1,8,2,1,5,1

keywords: 

{'kinetic energy': [0, 0, 4, 7], 'chemical reactions': [0, 0, 0, 1], 'chemical reaction': [0, 0, 2, 0], 'particles': [1, 0, 5, 16], 'mass': [0, 0, 2, 3], 'object': [1, 0, 11, 43], 'chemicals': [0, 0, 1, 1], 'system': [8, 3, 7, 23], 'volume': [0, 0, 1, 0]}