Question

i just want letter of answer

1) The following hazand warning labels are displayed on tdie What information about this acid can be tained from the hels a) It is very concentrated and fiammable c) It is flammable and comosive n b) It is flammable and oxidizing d) t is corrosive and oxidicing e) None 2) What piece of laboratory equipment is the mont acourate for measuring the volane oa a) Erlenmeyer flask b) Barette e) Gradusted cylinder d Beakes ) Non ) In detennising of the empirical formuls of MgO, the si water is a) to covert MglOlly to MgN c) to covert MgOH, to Mg of heing of the crcitle alter b) to covert MON, to Mg(CH), to coven MyOto M e) None nef Bach is 40% in a salt n ist relBaC1, and 4) In the limitir greactant ep riment, if the percent Oy Na, POsJ, this indicates that a) BaCl is the excess reactant b) The data is not enough to decide the limiting reactat c) Neither Na PO, nor BaC), is the limiting reactant d) Na,POs is the limiting s e) BaCh is the limiting reactant A student titrated 25 ml solution containing unknown amount of oxalic acid (molar mass 126.07 burette reading was 5.10 ml. and the final burette 4) 1.10 ) None c) 0.197 b) 0.345 a) 0.251 6) what is the concentration of NaOH solution required toneutralize completely 1000 g of vinegar sample as 3.50% acetic acid by mass, given that the volume of NaOH solution used in the vitration is 11.2 mL. CThe molar mass of acetic acid is 600 pmole) )0.138 M ) 0.260 M e) None a) 0536 M 7 Which color of the following salt is correet? a)ļlacro, yellow, b) Ag00,(s), pink c) Fe(onMs), green 8) Which of the following is a metathesis reaction b) 0.520 M e) None (d)CdOfs), beown )BaCTopN e) Nooe 9) Hypothetical elements and their ioas produce the following The onder of the elements foun strongst to weaklest roucing ageants

Answer 1

1. Common labels for reagent are

The warnings in reagent or acid present represent that

The acid is oxidizing as per sign 1

And explosive as per sign 2

So the right options is e) None