Chemistry Which among the following is found in chlorophyll ? Fe2+ Mg2+ A l3+ Ca2+ Fe2+ Mg2+ A l3+ Ca2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Isotopes Cations Anions Higgs-boson Isotopes Cations Anions Higgs-boson ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, It will not burn It will change into diamond Residue will be left No residue will be left It will not burn It will change into diamond Residue will be left No residue will be left ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Silicate Calcium Sulphate Sodium Sulphate Calcium Silicate Sodium Silicate Calcium Sulphate Sodium Sulphate Calcium Silicate ANSWER DOWNLOAD EXAMIANS APP