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Beat The Change Quiz 38 (08.11.2019) (App update required to attempt this test)
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Question 1
If a metallic sphere gets cooled from 62°C to 50oC in 10 min and in the next 10 min gets cooled to 42 °C, then the temperature (in °C) of the surroundings is
Question 2
50 ml of 0.6 M NaOH is added to 100 ml of 0.6 M acetic acid. What is the additional volume of 1.2 M NaOH required for making the solution of pH 4.74?
The ionization constant of acetic acid is 1.8 × 10–5
The ionization constant of acetic acid is 1.8 × 10–5
Question 3
The triangle PQR is inscribed in the circle . If Q and R have coordinates (3,4) and (-4,3), the LQPR is
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Nov 8JEE & BITSAT