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191. How do covalent character of an ionic compound increases?
- A. It never increases.
- B. It increases with decrease in cation size.
- C. It increases with decrease in both cation and anion size.
- D. It increases with decrease in anion size.
- Check Answer | Discussion
192. Which among the following is a benzodiazepine derivative drug?
193. Due to which reason, the metals become malleable and ductile ?
- A. oxidation and layer of metal electron ions
- B. capacity of layers of metal ions to slide over the other
- C. oxidation property
- D. association of electrons with metal ions
- Check Answer | Discussion
194. What is the molarity of this solution if we Consider that 120 g of urea (molecular weight of 60) is dissolved in 1000 g of water, which resulted in a solution of density 1.15 g/mL?
195. What will be the rate of the reaction if the temperature is increased from 10°C to 100°C if for every 10° rise of temperature in a zero-order reaction, the rate of the reaction is doubled.?
196. The maximum number of covalent formed by nitrogen is
197. The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called
198. The most extensive, commercially useful source of thorium as monazite sand occurs in India at
199. The metallurgical process in which a metal is obtained in a fused state is called
200. The National Chemical Laboratory is situated in
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