Q141
Open questionWhat is the chemical formula of gypsum?
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Chemistry GK · all questionsMetal and Its Compounds
Metal and Its Compounds
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Q142
Open questionAnother name for Neela Thotha is-
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Q143
Open questionMatch List-I with List-II and select the correct answer:
| List-I (Industrial Process) | List-II (Industry) |
| a. Cracking | 1. Rubber |
| b. Smelting | 2. Petroleum |
| c. Hydrogenation | 3. Copper |
| d. Vulcanization | 4. Edible Fats |
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Q144
Open questionWhich of the following compounds does not contain crystallization water?
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Q145
Open questionWhat is the chemical name of chalk?
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Q146
Open questionTo neutralize the effect of formic acid injected by ant bite, which among the following can be used?
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Q147
Open questionWhat are the components of soldering?
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Q148
Open questionWhich of the following is most malleable metal?
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Q149
Open questionWhich of the following metals reacts quickly with cold water?
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Q150
Open questionWhich of the following is not easily oxidized (burns) at high temperatures?
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Q151
Open questionThe colour of iron rust is . . . . . . . .
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Q152
Open questionWhat is the structure of nichrome, which is an alloy?
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Q153
Open question. . . . . . . . the compound is used as a drying agent.
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Q154
Open questionWhich is the purest form of iron?
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Q155
Open questionMuscovite, Pegmatite and Biotite are ores of:
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Q156
Open questionWhich of the following is not a non-ferrous metallic mineral?
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Q157
Open questionThe symbol used for Magnesium is:
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Q158
Open questionRust needs three components to occur i.e. . . . . . . . .
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Q159
Open questionWhich is the second most abundant element found in the earth's crust?
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Q160
Open questionWhich of the following causes damage to bridges, iron rust and all items made of metals?
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