Which of the following fluorides has the lowest solubility in water
at room temperature? ( )
A: LiF
B: NaF
C: KF
D: CsF
at room temperature? ( )
A: LiF
B: NaF
C: KF
D: CsF
举一反三
- Which process results in the increase in entropy of the<br/>universe? ( ) A: the cooling of a hot cup of coffee in room temperature air B: the evaporation of water from a desk at room temperature C: the melting of snow above 0 °C D: all of the above
- 下列各组离子化合物的熔点(m.p)高低的比较错误的是( ) A: LiF > NaF > KF B: NaF > NaCl > NaB C: CaO > MgO D: CaO > KF
- 下列化合物中键的极性最小的是 A: LiF B: NaF C: KF D: RbF
- In agricultural production, the theoretical basis of "Adjusting Temperature with Water" is ( ). A: Water temperature is easy to control; B: Water has a larger heat capacity; C: Water has a larger thermal diffusivity.
- Which of the following is not the main abiotic factor affecting plant growth and development？ A: Water B: Temperature C: Light D: Insects