WorksheetsEXIT TICKET SPA CHEM (19/9/20) SLOT PAPER 4
Total questions: 10
Worksheet time: 6mins
When distilled water is added into solid salt S1 and stirred, a colourless solution is formed. What is the correct inference for the observation?
Salt S1 dissolves in water
Salt S1 soluble in water
When NaOH solution is added into S1 salt solution until excess, white precipitate is dissolved in excess NaOH. What is the inference for this observation?
Zinc ion, aluminium ion and lead(II) ion may present
Zinc ion, aluminium ion or lead(II) ion may present
When ammonia solution is added into S1 salt solution until excess, white precipitate is dissolved in excess ammonia. What is the inference for this observation?
Zinc ion is present
Zinc ion is not present
Aluminum ion or lead(II) ion may present
Aluminum ion and lead(II) ion may present
Choose the suitable substance that can be used to verify the presence of carbonate ion in a sample of sodium carbonate salt solution.
Glucose solution
Ammonium chloride solution
Nessler's reagent
Dilute acids
Which substance forms yellow precipitate when added to lead(II) nitrate solution?
Sodium chloride
Sodium carbonate
Potassium iodide
Potassium sulphate
By referring to table 1, what is the cation present in the salt solution?
Zinc ion
Magnesium ion
Lead(II) ion
Calcium ion
When barium chloride solution is added into a test tube containing salt W solution, no changes is observed. Choose the correct inference.
Sulphate ion is present
Sulphate ion not present
By referring to table 4, what is the anion and cation present in the salt solution?
Chloride ion and lead(II) ion
Chloride ion and zinc ion
Sulphate ion and zinc ion
Sulphate ion and lead(II) ion
When ammonia solution is added into salt Y solution until excess, white precipitate is formed and insoluble in excess ammonia. What are the possible cations might present in the salt solution?
Zinc ion
Aluminium ion
Lead(II) ion
Calcium ion
When silver nitrate solution is added into a test tube containing salt X solution, white precipitate is formed. Choose the correct inference.
Chloride ion is present
Chloride ion is not present
