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Which of the following pairs of components have the same molecular mass?
[ H = 1.0, C = 12.0, O = 16.0 ]
Which of the substances is non-polar?
Calcium and magnesium belong to the group of the periodic table because both?
If 6.5g of magnesium ribbon reacts completely with Hydrochloric acid, how many grams of hydrogen gas would be liberated?
Mg(s) + 2 HCl(aq) --> MgCl 2(aq) + H 2(g)
[ H = 1.0, Mg = 24.0 ]
The bleaching action of chlorine is through the process?
which of the following elements has the highest ionization energy?
Which of the following metals reacts slowly with cold water?
A solid with higher melting and boiling points is likely to be?
The periodic table is an arrangement of elements according to their?
Particles in a solid exibit
Which of the following properties would not influence electrovalent bond formation?
The solubility of \(CO_{2}\) in water can be accounted for by
The bonding pair of electrons in a Hydrogen Chloride molecule is pulled towards the chlorine atom because
What is the total number of shared pair of electrons in the compound above?
The atomic number of an isotope of hydrogen is equal to its mass number because it
Which of the following electron configurations represents the transition element Chromium \(_{24}Cr\)?
Common Salt (NaCl) is used to preserve foods. Which of the following properties can be used to determine its purity before use?
Atoms are electrically neutral because they
What is the relative molecular mass of a compound which has empirical formula \(CH_{2}O\)? [C= 12, H= 1, O= 16]
The law of definite proportions states that