Date: 08 October 2019 Name: Class: Topic: Effect of salt on boiling water Aim: To investigate the effect of salt in boiling temperature of water. Apparatus required (tick if present) Safety goggles Bunsen burner Heat proof mat Gauze Tripod Thermometer Beakers X 3 Tongs Water to fill beakers with Marker pens to mark on the beakers Stop watch Salt Spatula Stirring rod Measuring cylinder Method: Working in groups, you need to heat water with your Bunsen burner and record how quickly water boils based on the amount of salt added. Step 1: Get a beaker, label this A Beaker A – Row 1 Do not switch on the Flame yet. Step 2: Next, take the beaker and fill it with 100ml of water using measuring cylinder. Step 3: Take beaker A (with 100ml water) and add 1 part of salt using the spatula. Mix using a stirring rod. Step 4: Now place the Bunsen burner on a heatproof mat and place the tripod and gauze over it. Step 5: Light a splint, turn on the gas tap and switch on the Bunsen burner over the safety flame first. Then turn to the roaring flame. Step 6: Now place the beaker A over the gauze. Start the stop watch as soon as the beaker is placed on the gauze. Step 7: Place the thermometer in the beaker when the water starts to boil and record the following: Beaker Temperature at which water starts to boil Time taken to boil Beaker A Remove the beaker carefully using tongs as touching it can cause burns.