Chemistry Supersonic jet causes pollution by thinning of O 2 layer CO2 layer SO2 layer O3 layer O 2 layer CO2 layer SO2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has the highest lattice energy CsF KF RbF NaF CsF KF RbF NaF ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 50 100 500 200 50 100 500 200 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Aluminium Iron Titanium Copper Aluminium Iron Titanium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Becomes more strong Cracks during setting Is slow setting Is quick setting Becomes more strong Cracks during setting Is slow setting Is quick setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Shorter None of these Longer Of same lenght Shorter None of these Longer Of same lenght ANSWER DOWNLOAD EXAMIANS APP
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