Chemistry Cement is formed by strongly heating a mixture of Clay and graphite Limestone and clay Chalk and graphite Limestone and graphite Clay and graphite Limestone and clay Chalk and graphite Limestone and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 CuO CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Haematite Bauxite Calcite Cryolite Haematite Bauxite Calcite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms Tetrahedral structure of diamond None of these Difference of crystalline structures Difference in layers of atoms Tetrahedral structure of diamond None of these Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. is made using soda lime was initially used for storing sodium carbonate is made using soda(sodium carbonate) was used initially for making bottles of soda(carbonated drink) is made using soda lime was initially used for storing sodium carbonate is made using soda(sodium carbonate) was used initially for making bottles of soda(carbonated drink) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon ANSWER DOWNLOAD EXAMIANS APP
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