Sample Quiz Welcome to your Sample Quiz Which of the following correctly puts the elements in order of increasing first ionisation energy? Na, Al, Mg Na, Mg, Al Al, Mg, Na Mg, Al, Na Which of the following statements about the third period is not true as we move from left to right? The atomic radius increases 1st ionisation energy increases Elements change from metals to non-metals Electronegativity increases Which of the following is incorrect about magnesium? Magnesium reacts with steam to produce magnesium hydroxide Magnesium has a shorter atomic radius than calcium Hydroxide of magnesium is insoluble in water Magnesium has a higher melting point than barium Which of the following is correct about barium? Barium hydroxide is soluble in water Barium is less reactive than calcium Barium sulphate is soluble in water All the options are correct Which of the following lists elements in order of increasing reactivity? Mg, Ca, Sr, Ba Ba, Sr, Ca, Mg Mg, Ba, Sr, Ca Ca, Ba, Sr, Mg Which halide ion gives a pale yellow precipitate with silver nitrate? Iodide ion Fluoride ion Chloride ion Bromide ion Which of the following reacts with potassium bromide to give a yellow solution? Aqueous chlorine Aqueous fluorine Aqueous iodine Aqueous silver nitrate What is the reaction called in which chlorine reacts with sodium hydroxide to form sodium chlorate (I)? Disproportionation Oxidation Reduction Displacement Which of the following is incorrect? Sodium reacts with water to form sodium oxide Magnesium reacts with steam to form magnesium oxide Magnesium burns with a white flame Sodium burns with a yellow flame Which of the below statements is correct?I. Metal oxides are acidicII. Aluminium oxide is amphotericIII. Non-metals form neutral oxides II only I only III only II and III only Time is Up!