The colour of iron filings and sulphur powder respectively is
Important Questions on Multiple Choice Questions
Which of the following is the correct set-up of apparatus to separate common salt and sand by filtration process?
A student was asked by the teacher to separate sand from a mixture of sand and common salt, while using the set-up of apparatus as shown alongside. In which positions labelled A, B, C and D, would he find sand and common salt respectively?
The experimental mixture of sand, common salt and ammonium chloride was given to four students. They added water to the given sample, stirred it well and then filtered it. Which student has made correct observations?
Four students used different methods for heating magnesium ribbon as shown below. The correct method is followed by:
To test the presence of hydrogen gas evolved in a chemical reaction, which is the safest method out of these shown below?
