Chemistry Which of the following metals occurs in free state ? Iron Lead Copper Zinc Iron Lead Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Remains same Will slowly increase and then it will decrease Is decreased Is increased Remains same Will slowly increase and then it will decrease Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is CO2 CO All of these O3 CO2 CO All of these O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1024 6.023 × 1022 6.023 × 1023 6.023 × 1025 6.023 × 1024 6.023 × 1022 6.023 × 1023 6.023 × 1025 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Europe India Africa Antarctica Europe India Africa Antarctica ANSWER DOWNLOAD EXAMIANS APP
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