Chemistry Which one of the following is known as the 'brown coal'? Bituminous Coke Anthracite Lignite Bituminous Coke Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida Escherichia coli Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida Escherichia coli ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Heterogeneous mixture Compound Homogeneous mixture Element Heterogeneous mixture Compound Homogeneous mixture Element ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Oxides of carbon (COx) and Oxides of nitrogen (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Nitrogen monoxide (NO) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Nitrogen monoxide (NO) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Cement Paint Gun powder Glass Cement Paint Gun powder Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Cast iron High speed steel Wrought iron Stainless steel Cast iron High speed steel Wrought iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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