1) Which of the following is a soft metal? a) sodium b) copper c) iron d) tungsten 2) Which of these statements in incorrect? a) metals are usually strong b) metals are often lustrous c) metals are good insulators of electricity and heat d) metals are malleable and ductile 3) Complete the general equation: ACID + METAL --> SALT + ..................... a) water b) oxygen c) hydrogen d) carbon dioxide 4) When metals react with water or steam the products are normally a) metal sulfates b) metal carbonates c) metal oxides and hydroxides d) metal chlorides 5) Complete the general word equation: ACID + BASE --> SALT + ................... a) water b) oxygen c) hydrogen d) carbon dioxide 6) Copper + hydrochloric acid --> a) copper chloride + water b) copper chloride + hydrogen c) no reaction 7) Magnesium reacts with all of these except a) cold water b) steam c) hydrochloric acid d) nitric acid 8) Which is more reactive, calcium or magneisum? a) Calcium b) Magnesium 9) In order to rust you need a) iron, water, hydrogen b) iron, water, oxygen c) iron, water, oil d) iron, water, calcium chloride 10) elements that are dug out as natually ocurring elements are said to be a) natural b) native c) nebulous 11) Copper sulphate plus magnesium gives a) copper chloride and magnesium b) magneisum sulphate and copper c) copper oxide and hydrogen 12) If I add silver to potasium chlroide what happens? a) nothing b) silver is displaced c) potassium is diplaced 13) Sodium does not normally give a flame with water unless you use too much. What colour is sodium's flame? a) Lilac b) Red c) Yellow 14) Potassium and water makes a) potassium hydroxide and hydrogen b) potassium oxide and hydrogen c) potassium oxide and water d) potassium hydroxide only 15) Potassium and sodium are said to be a) the alkali metals b) the base metals c) group II metals 16) Potassium is normally extracted by electrolysis- why did this not happen until the 19th C a) we did not know about potassium until then b) we did not need potassium until then c) we could use sodium instead d) electricity wasn't available till then 17) In order to remove water in the rusting experiment we used a) calcium chloride b) chalk c) boiled water and oil 18) What two things are needed for rusting to happen a) oil and water b) air and water c) air and oil

FFynone House: Metals quiz y8- displacement-reaction with water, oxygen, rusting, extraction (win/lose quiz)

prie
Įterpti

Lyderių lentelė

Vizualinis stilius

Parinktys

Pakeisti šabloną

Atkurti automatiškai įrašytą: ?