Popular Questions
- Which gas is usually liberated when an acid reacts with a metal?
- Metal compound A reacts with dilute hydrochloric acid to produce effervescence
- Why do HCL, HNO3, etc., show acidic characters in aqueous solutions
- Why does an aqueous solution of an acid conduct electricity?
- Why does dry HCL gas not change the colour of dry litmus paper?
- While diluting an acid, why is it recommended that
- How is the concentration of hydronium ions
- How is the concentration of hydroxide ions (OH-) affected
- You have two solutions a and B. the pH of solution A is 6
- What effect does concentration of H+ (aq) ions have on the nature of the solution?
- Do basic solutions also have H+(aq) ions?
- Under what soil condition do you think a farmer would treat the soil of his fields with quicklime
- What is the common name of the compound CaOCL2?
- Name the substance which on treatment with chlorine yields bleaching powder
- Name the sodium compound which is used for softening hard water.
- What will happen if a solution of sodium hydrogen carbonate is heated?
- Write an equation to show the reaction between plaster of paris and water
- Give an example of a metal which
- Explain the meanings of malleable and ductile
- Why is sodium kept immersed in kerosene oil?
- Write equations for the reactions of
- Which gas is produced when dilute hydrochloric acid is added to a reactive metals?
- What would you observe when zinc is added to a solution of (||) sulphate?
- (i) Write the electron dot structures for sodium, oxygen and magnesium.
- Why do ionic compounds have high melting points?
- Define the following terms :
- Name two metals which are found in nature in the free state
- What chemical process is used for obtaining a metal from its oxide?
- Metallic oxides of zinc, magnesium and copper were heated with the following metals:
- Which metals do not corrode easily?
- What are alloys?
- What would be the electron dot structures of carbon dioxide which has molecular formula CO2
- What would be the electron dot structure of molecule of sulphur
- How many structural isomers can you draw for pentane?
- What are the two properties of carbon which lead to the huge number
- What will be the formula and electron dot structure of cyclopentane?
- How would you name the following compounds?
- Why is conversion of ethanol to ethanoic acid an oxidation reaction?
- A mixture of oxygen and ethyne is used for welding.
- How would you distinguish experimentally between an alcohol and a Carboxylic acid
