1. Condition for a car to turn safely–
A. v ≤ (rgtan θ) 1 2B. v ≤ (rgtan θ)C. v > rgtan θD. v > (rgtan θ) 1 2
2. At temperature if remains dissolved in 1L saturated solution, then what will be the solubility product of solute at that temperature? 25℃ 10−4mol CaF2
A. 1 × 10−12B. 4 × 10−12C. 4 × 10−9D. 9 × 10−12 S = 1.0 × 10−4molL−1; Ksp = 4S 3 = 4 × 10−12
3. Which one is a fat digesting enzyme?
A. PtyalinB. TrypsinC. LecithinaseD. Amylase
4. She decided to visit the historical _____ to explore its rich cultural significance.
A. siteB. sightC. citeD. side
5. What is produced in the anode for the electrolysis of aqueous solution of NaOH in inert electrode?
A. O2B. OH −C. NaD. H2
6. For which of the following, Bohr theory is not applicable?
A. HB. H +C. He+D. Li2+