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Chemistry Model Test 4 (in Tamil)
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It's very useful for RPF RRB TNPSC competitive exam

Saravana Kumar is teaching live on Unacademy Plus

Saravana Kumar
# Founder of "Tamizha Academy" # l cleared TNTET # I have 7 years experience in competitive exams (TNPSC, TNTET, POLICE, ARMY, RRB)

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Unacademy user
u knw dis qn also came in BARC 2019 that " which enterotoxic bacteria enter the enterocytes causing secretory diarrhoea by stimulating adenylate cyclase!!"