1. Which one is used as indicator in the neutralization reaction between weak acid and strong base?
A. Methyl orangeB. Methyl redC. PhenolphthaleinD. None
2. Dimension of power is-
A. [ML3T 2]B. [ML2T −3]C. [ML2T −2]D. [ML−2T −2]
3. milk he gave me has been split. Choose the correct option.
A. FewB. A littleC. LittleD. The little
4. How much NaOH is present in 10 mL 0.1M NaOH solution?
A. 0.004 gB. 0.04 gC. 0.4 gD. 4.0 g W = 0.1×40×10 1000 = 0.04g
5. The area bounded by and x-axis is- y = x2, x = 1, x = 3
A. 26/3 sq unitsB. 80/3 sq unitsC. 8/3 sq unitsD. 35/3 sq units
6. In solution if solution is added, then what will be the nature of the mixture? 10ml 1M H2SO4 50ml 0.25 N NaOH
A. basicB. acidicC. amphotericD. neutral aVASA bSBVB = 2×1×10 1×0.25×50 = 1.6