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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Q. The melting point of Magnesium Oxide is higher than

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Q. Kilns and furnaces are lined by magnesium oxide because of its high

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Q. Farmers raise the pH of acidic soil by using

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Q. Concrete sets when arranged with iron rods passes through it, improves it

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Q. When calcium oxide is burned with clay its makes

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Q. Rocks of the building are made by blocks using mortar with the element

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Q. Sand and rocks further added to cement becomes

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Q. The process of decomposition of calcium carbonate (CaCO₃) and formation of calcium oxide (CaO) and carbon dioxide (CO₂) takes place in

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Q. MgO is used to line kilns and furnaces because of its

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Q. Lime used by farmers to raise the pH of the soil is

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