Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal carbonates is most stable thermally?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe solubility of metal halides depends on their nature, lattice enthalpy and hydration enthalpy of the individual ions. Amongst fluorides of alkali metals, the lowest solubility of LiF in water is due to -
1. Ionic nature of lithium fluoride
2. High lattice enthalpy
3. High hydration enthalpy for lithium ion
4. Low ionisation enthalpy of lithium ion
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmphoteric hydroxides react with both alkalies with acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBy adding gypsum to cement
1. Setting time of cement becomes less
2. Setting time of cement increases
3. Colour of cement becomes light
4. Shining surface is obtained
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDehydration of hydrates of halides of calcium, barium and strontium i.e., , , , can be achieved by heating.
These become wet on keeping in air. Which of the following statements is correct about these halides?
1. | Act as dehydrating agent |
2. | Can adsorb moisture from air |
3. | Tendency to form hydrate decreases from calcium to barium |
4. | All of the above |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the correct formula of halides of alkaline earth metals from the following.
1.
2.
3.
4.
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology