Q. The gas which is slightly soluble in water is

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Q. The compounds formed by group IV elements and chlorine are called

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Q. All group IV elements form a compound with

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Q. Oxides formed by group IV have an oxidation state

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Q. Group-IV oxides are stable to

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Q. All tetrachlorides are hydrolyzed by water except

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Q. Tetrachlorides (-Cl₄) are

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Q. On heating, lead(II) oxide (PbO) will produce

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Q. The carbonates and nitrates of group II elements decompose upon

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Q. Down the group II, thermal decomposition gradually

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Q. The brown gas which is found on heating group Ii nitrate is toxic

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Q. Nitrates (-NO₃) of Group-II down the group require for their decomposition, is high in

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Q. The temperature at which thermal decomposition of metal carbonates of Group II takes place

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Q. MgCO₃ decomposes when heating with which of the following?

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Q. When a Group II nitrate is heated, toxic NO₂ can be seen as

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Q. Upon thermal decomposition, Ca(NO₃)₂ decomposes into

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Q. NO₂ toxic fumes are produced as a result of thermal decomposition of nitrates. This NO₂ is

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Q. The temperature at which thermal decomposition of metal nitrates (e.g. Ca(NO)₃) of Group-II takes place,

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Q. The main product of calcium carbonate is

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Q. One of the forms of calcium carbonate which is used to make expensive decoration tiles is

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