Refined rutile from the ore is reduced with petroleum derived coke in fluidized bed reactor at 1000*c then the mixture is treated with chlorine gas affording titanium tetrachloride ticl4 and other volatile chlorides are separated by fractional distillation TiCl4 is reduced by liquid magnesium or sodium (15–20% excess) at 800–850 °C in a stainless steel to ensure complete reduction. Then the mixture is subjected to a hydraulic load to produce blocks called
It is an ionic with the flourite structure . The lattice structure is FCC which is same as NaCl and Diamond. In the structure it contains Ca2+ and F- ions. The calcium ions are surrounded with eight neighbouring fluoride ions. Then, fluoride ions are surrounded by a tetrahedron of four calcium ions.
As we know acid reacts with bubbles when combined with sodium bicarbonate. 2. Write the chemical equation for the reaction in well A6. B BoldI ItalicsU Underline Bulleted list Numbered list Superscript Subscript3 Words NaOh + AgNO3>>>>NaNO3 + AgOH 3. One of the reactions you observed resulted in this product: NaCl + H2O + CO2 (g)?
Sunflower oil was used as a source of triacylglycerol analysis. The experiment focuses on the determination of Iodine and Saponification number. Saponification values of oils were determined using the chemical method called saponification method. A standard solution 0.1N potassium dichromate was prepared by weighing about 1-2g of anular crystals accurately in a chemical balance. Iodine number is the number of grams of iodine or iodine compound absorbed by 100gm of oil.
Confirmatory tests : confirm the presence of the cation/anion in a given compound. Qualitative tests The addition of hydrochloric acid to solutions containing carbonate or bicarbonate ions or to solid samples of carbonates and bicarbonates causes the rapid evolution (production) of carbon dioxide gas. The equations for the reaction of acid with these ions are: H + (aq) + HCO3 - (aq) → H2O(l) + CO2(g) 2H+ (aq) + CO3 -2 (aq) → H2O(l) + CO2(g) Solutions containing hydrogencarbonate ions react with hydrochloric acid, producing carbon dioxide gas. For example, NaHCO3 + HCl NaCl + H2O + CO2↑ Solutions containing carbonate ions also
A diprotic acid is an acid that can donate 2 protons (H+ ions) per molecule to an aqueous solution. The ionisation reactions for oxalic acid are: H_2 C_2 O_(4 (aq) ) ↔HC_2 O_(4 (aq))^(-1)+H_((aq))^+ HC_2 O_(4 (aq))^(-1) ↔ C_2 O_(4 (aq))^(-2)+ H_((aq))^+ The 1st ionization constant is 5,8 x 10-2 and the 2nd ionization constant is 6,5 x 10-5. Oxalic acid is both a Bronsted-Lowry and an Arrhenius acid. 10 It mainly exists as H2C2O4.2H2O, which is known as oxalic acid dihydrate. The 2H2O attached to the oxalic acid means that for every one molecule of Oxalic acid there is, there will be 2 molecules of water.
24. a. Br- b. H- c. Se2- 25. a. Nitrogen tetrahydride b. Phosphorus triiodide c. Lithium hydroxide 26. a. It is a single replacement reaction because the lone lead atom swapped places with the mercury atom. b. It is a double replacement reaction because the sodium and silver traded places between the two compounds. c. It is a decomposition reaction because the compound broke down and the reaction was left with the atoms that made up the compound.
After filtration the rich "W" containing liquid is pumped to a crystallizer. The heat from the steam evaporates the water and a white chemical called Ammonium Paratungstate or APT - (NH 4 ) 2 . (H 2 O) x .WO 4 is precipitated. Application of high heat in a calciner causes the compound to reduce to a blue oxide which is approximately WO 3 O 11 . Pure tungsten oxide is WO 3 and yellow.
Then, toluene is added with continuous stirring before transferring the mixture to a separating funnel. The two immiscible layers formed within few minutes. The transfer of metal salts from the aqueous phase to toluene then completes where ethanol is found to be very important candidate without which metal ions would not be transferred to the organic phase by the direct mixing of an aqueous metal precursor solution with an organic solvent containing dodecyl amine. The fact that water and ethanol are miscible ensures the maximum contact between metal ions and dodecyl amine. A large number of commonly used popular methods, e.g., wet chemistry reduction, seed mediated growth, co-reduction, and solvothermal approaches could be adopted to produce metal or semiconductor nanoparticles after the transfer into the organic solvent.