1 |
Which is called milk of magnesia. |
- A. MgCO3
- B. Mg(OH)2
- C. MgSO4
- D. MgCl2
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2 |
Which gas is evolved when CO2 is passed through KO2. |
- A. O2
- B. CO
- C. O3
- D. None of these
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3 |
Which meal is least reactive |
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4 |
The most metallic elements from the following is |
- A. Arsenic
- B. Oxygen
- C. Antimony
- D. Bismuth
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5 |
The oxides of beryllium are |
- A. Basicity
- B. Rancidity
- C. Amphoteric
- D. none of all
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6 |
Point out the element which forms super oxide |
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7 |
Dolomite is a carbonate of |
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8 |
Which one of the following elements has the same oxidation number in all its known compounds. |
- A. Beryllium
- B. Nitrogen
- C. Sulphur
- D. Chorine
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9 |
Which element is present in chlorophyll |
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10 |
Setting of Plaster of Paris is accompanied with |
- A. Hydrogen bonding
- B. Hydration
- C. Dehydration
- D. None of these
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