GRP2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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| STRONTIUM AND BARIUM OXIDE REACT WITH H2O TO GIVE... | ALKALINE SOLUTIONS OF HYDROXIDE.
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| OXIDES AND OH OF GROUP 2 REACT WITH ACID TO FORM ... | WATER AND SALTS. (NEUTRALIZATION REACTION) FOR IONIC EQUATIONS NORMALLY SO4 2- CANCELLED OUT.
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| WATER ISN’T ... | SPLIT INTO IONS.
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| GIVE EXAMPLE OF AMPHOTERIC COMPOUND... | BEO , AMPHOTERIC REACTS AS BASE AND ACID. SO FORMED BE + IONS OR BE(OH)42-.
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| GROUP 1 HYDROXIDES REACT WITH ACIDS =... | SALT AND WATER. ALL GROUP ONE ARE SOLUBLE AND FORM ALKALINE SOLUTIONS WITH HIGH PH.
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| CARBON DIOXIDE GAS – REACTS WITH CAOH BASE THEY FORM.... | SALT CALCIUM CARBONATE +WATER.
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| WHAT CAN CAC03 BE USED FOR ... | CACO3 IS INSOLUBLE
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| IF CO2 PASSED OVER CACO2 THE MILKYNESS CLEARS AS ... | SOLUBLE ACID SALT CALCIUM HYDROGEN CARBONATES FORMED CA (HC03)2(G).
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| WHICH IS SOLUABLE CAHCO3 OR CAOH ... | CALCIUM HYDROCARBONATE IS SOLUBLE IN WATER, CACO2 INSOLUBLE CAN BE USED AS TEST TO SEE BETWEEN HYDROGENCARBONATE AND CARBONATE.
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| WHAT FORMS WHEN A SOLUTION ADDED TO CACL IF CARBONATE AND HCO3... | A WHITE PRECIPITATE OF CALCIUM CARBONATE FORMED. IF HYDROGEN CARBONATE NO PRECIPITATE FORMS ONLY WHEN HEATED,
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| HOW WOULD YOU MAKE PRECIPITATE FROM WITH CO3 + CACL... | HEATING IT .THE HYDROGEN CO3 IONS DECOMPOSE FORM CARBONATE IONS C02 AND WATER. 2HCO3- (AQ) CO32- (AQ) + CO2 (G) + H20(L).
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| THE CARBONATE ION THEN REACT WITH .. | CALCIUM IONS TO FORM A PRECIPITATE OF INSOLUBLE CALCIUM CARBONATE. CO32-(AQ) + CA2+(AQ) CACO3(S).
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| SOLUBILITY OF GROUP 2 HYDROXIDES ... | INCREASE DOWN GROUP.
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| BERYLLIUM HYDROXIDE IS INSOLUBLE/SOLUABLE ? | INSOLUABLE
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| MAGNESIUM HYDROXIDE INSOLUBLE/SOLUABLE? | VERY SLIGHTLY SOLUABLE.,
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| CALCIUM HYDROXIDE IS INSOLUBLE/SOLUABLE ? | SLIGHTLY SOLUBLE.
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| STRONTIUM AND BARIUM HYDROXIDE ARE INSOLUBLE/SOLUABLE ?... | MORE SOLUBLE.
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| SOLUBILITY OF GR2SULFATES DECREASE ... | DOWN THE GROUP., BERYLLIUM AND MG SULPHATE ARE INSOLUBLE/SOLUABLE?
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| VERY SOLUBLE. |
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| CALCIUM SULPHATE IS INSOLUBLE/SOLUABLE? | SLIGHT SOLUBLE.,
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| STRONTIUM SULPHATE IS INSOLUBLE/SOLUABLE ? | VERY SLIGHTLY SOLUBLE.,
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| BARIUM SULPHATE IS INSOLUBLE/SOLUABLE? | INSOLUBLE.,
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| BARIUM SULPHATE SO INSOLUBLE THAT ... | PASSED UNAFFECTED THROUGH ALIMENTARY CANAL. (LEAD TO ITS USE IN HOSPITALS)
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| WHY IS BARIUM SIULPAHTE GOOD FOR HOSPITALS ... | PASTE OF BARIUM SULPHATE EATEN (BARIUM METAL). PATIENT THEN IS X RAYED., THE PROCESS OF BARIUM SULPHATE THROUGH DIGESTIVE TRACT OBSERVED & IF ANY OBSTRUCTION.
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| BARIUM IS OPAQUE TO SOME X RAYS COZ ... | HIGH EFFECTIVE NUCLEAR CHARGE. ADDING SOLUTION OF NAS OR A COMPOUND CONTAINING SULPHATE TO STRONTIUM, BARIUM, CALCIUM WHAT COLOUR PRECIPITAE FORMED... A WHITE PRECIPITATE OF INSOLUBLE SULFATE IS FORMED. BA2+ (AQ) +SO42- (AQ) BASO4(S).
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| BARIUM SULPHATE SOO INSOLUBLE THAT WHEN DILUTE ... | SULPHURIC ACID IS ADDED TO PIECE OF BARIUM METAL THE REACT STOPS AT ONCE. AND CAUSES A LAYER OF INSOLUBLE BARIUM SULPHATE TO FORM ON SURFACE. THIS LAYER PREVENTS FURTHER ACID FORM REACHING THE UNREACTED METAL.
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| WHAT DOES LAYER OF INSOLUBLE BARIUM SULPHATE PREVENT ... | FURTHER ACID FORM REACHING THE UNREACTED METAL.
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| BAS04 SO UNREACTIVE THAT... | CAN BE PASSED THROUGH ALIMENTARY CANAL TO FIND OBSTRCUTION IT’S OPAQUE.
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| SHORT REACTION WITH DILUTE SULPHURIC ACID. |
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