Chemistry Which among the following is found in chlorophyll ? A l3+ Ca2+ Mg2+ Fe2+ A l3+ Ca2+ Mg2+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Bitumen Lignite Peat Anthracite Bitumen Lignite Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Beta particles Proton Positron Alpha particles Beta particles Proton Positron Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Three One Zero Two Three One Zero Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n2 n3 n n-2 n2 n3 n n-2 ANSWER DOWNLOAD EXAMIANS APP
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