5. Assertion: Atom is electrically neutral.
Reason: A neutral particle, neutron is present in the nucleus of the atom.
6. Assertion: Tuberculosis is a bacterial disease.
Reason: Tuberculosis is mainly transmitted by droplet infection.
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The nucleus of an atom mainly consists three type of particles, i.e. electrons which are negatively charged, protones which are positively charged and neutrons which are nutral. Atom is electrically neutral because the total positive charge ( of protons) is cancelled by the total negative charge (of electrons).
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