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GRP2
Question | Answer |
---|---|
STRONTIUM AND BARIUM OXIDE REACT WITH H2O TO GIVE... | ALKALINE SOLUTIONS OF HYDROXIDE. |
OXIDES AND OH OF GROUP 2 REACT WITH ACID TO FORM ... | WATER AND SALTS. (NEUTRALIZATION REACTION) FOR IONIC EQUATIONS NORMALLY SO4 2- CANCELLED OUT. |
WATER ISN’T ... | SPLIT INTO IONS. |
GIVE EXAMPLE OF AMPHOTERIC COMPOUND... | BEO , AMPHOTERIC REACTS AS BASE AND ACID. SO FORMED BE + IONS OR BE(OH)42-. |
GROUP 1 HYDROXIDES REACT WITH ACIDS =... | SALT AND WATER. ALL GROUP ONE ARE SOLUBLE AND FORM ALKALINE SOLUTIONS WITH HIGH PH. |
CARBON DIOXIDE GAS – REACTS WITH CAOH BASE THEY FORM.... | SALT CALCIUM CARBONATE +WATER. |
WHAT CAN CAC03 BE USED FOR ... | CACO3 IS INSOLUBLE |
IF CO2 PASSED OVER CACO2 THE MILKYNESS CLEARS AS ... | SOLUBLE ACID SALT CALCIUM HYDROGEN CARBONATES FORMED CA (HC03)2(G). |
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. |
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, |
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). |
THE CARBONATE ION THEN REACT WITH .. | CALCIUM IONS TO FORM A PRECIPITATE OF INSOLUBLE CALCIUM CARBONATE. CO32-(AQ) + CA2+(AQ) CACO3(S). |
SOLUBILITY OF GROUP 2 HYDROXIDES ... | INCREASE DOWN GROUP. |
BERYLLIUM HYDROXIDE IS INSOLUBLE/SOLUABLE ? | INSOLUABLE |
MAGNESIUM HYDROXIDE INSOLUBLE/SOLUABLE? | VERY SLIGHTLY SOLUABLE., |
CALCIUM HYDROXIDE IS INSOLUBLE/SOLUABLE ? | SLIGHTLY SOLUBLE. |
STRONTIUM AND BARIUM HYDROXIDE ARE INSOLUBLE/SOLUABLE ?... | MORE SOLUBLE. |
SOLUBILITY OF GR2SULFATES DECREASE ... | DOWN THE GROUP., BERYLLIUM AND MG SULPHATE ARE INSOLUBLE/SOLUABLE? |
VERY SOLUBLE. | |
CALCIUM SULPHATE IS INSOLUBLE/SOLUABLE? | SLIGHT SOLUBLE., |
STRONTIUM SULPHATE IS INSOLUBLE/SOLUABLE ? | VERY SLIGHTLY SOLUBLE., |
BARIUM SULPHATE IS INSOLUBLE/SOLUABLE? | INSOLUBLE., |
BARIUM SULPHATE SO INSOLUBLE THAT ... | PASSED UNAFFECTED THROUGH ALIMENTARY CANAL. (LEAD TO ITS USE IN HOSPITALS) |
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. |
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). |
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. |
WHAT DOES LAYER OF INSOLUBLE BARIUM SULPHATE PREVENT ... | FURTHER ACID FORM REACHING THE UNREACTED METAL. |
BAS04 SO UNREACTIVE THAT... | CAN BE PASSED THROUGH ALIMENTARY CANAL TO FIND OBSTRCUTION IT’S OPAQUE. |
SHORT REACTION WITH DILUTE SULPHURIC ACID. |