- 1(current)
Q. No.Given below are two statements:
| Assertion (A): | The carbonate of lithium decomposes easily on heating to form lithium oxide and CO2. |
| Reason (R): | Lithium being very small in size polarises large carbonate ions leading to the formation of more stable Li2O and CO2. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Assertion (A): | Beryllium carbonate is kept in the atmosphere of carbon dioxide. |
| Reason (R): | Beryllium carbonate is unstable and decomposes to give beryllium oxide and carbon dioxide. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe alkali metal that reacts with water least vigorously is -
1. Li
2. Na
3. K
4. Cs
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the carbonates given below is unstable in air and is kept in CO2 atmosphere to avoid decomposition?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySome of the Group 2 metal halides are covalent and soluble in organic solvents. Among the following metal halides, the one which is soluble in ethanol is
1. BeCl2
2. MgCl2
3. CaCl2
4. SrCl2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following elements does not form hydride by direct heating with dihydrogen?
1. Be
2. Mg
3. Sr
4. Ba
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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