ICSE Class 10 S Block Elements — practice questions
24 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice ICSE Class 10 S Block Elements in the app →A chemical bond formed by complete transfer of electrons is called:A covalent bond is formed by:NaCl is an example of which bond?Methane (CH4) molecule has how many covalent bonds?A coordinate bond is one in which:Ionic compounds usually have:Which of these is a covalent compound?Which molecule has a triple bond?Which compound shows a double bond?Lewis dot structure of HCl shows:Why is the melting point of MgO higher than that of NaCl?Hydrogen chloride dissolved in water conducts electricity because:Which is NOT a property typical of covalent compounds?Which atom acts as the electron-pair donor in a coordinate bond?Which compound contains BOTH ionic and covalent bonds?Why is the structure of methane tetrahedral?The shape of an ammonia (NH3) molecule is:Why is water a polar covalent molecule?CO2 has polar bonds yet is non-polar overall because:Which molecule features hydrogen bonding?Which property of water is due to hydrogen bonding?Why are giant covalent crystals (like diamond) very hard?Which is the BEST example of a metallic bond?In an electrovalent (ionic) compound MgCl2, magnesium and chlorine ions exist as: