Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Methane Ethane Carbon monoxide Carbon di-oxide Methane Ethane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Anderson Bethe Bohr Fermi Anderson Bethe Bohr Fermi ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Salt Calcium Soap Foam Salt Calcium Soap Foam ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 50 314 88 138 50 314 88 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Encapsulation Capping Landfill Chemical fixation Encapsulation Capping Landfill Chemical fixation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1022 6.023 × 1024 6.023 × 1023 6.023 × 1025 6.023 × 1022 6.023 × 1024 6.023 × 1023 6.023 × 1025 ANSWER DOWNLOAD EXAMIANS APP
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