Identify the indicator that can be used at the lowest pH.?

-

a.crystal violet ph <0.8 yellow : ph > 2.6- blue violet

b.alizarin ph <5.8 yellow ph > 7.2 red

c.phenplphthaleinph <8.2 colourless ph > 9.8 red / violet

d.alizarin yellow r ph <10.0 light yellow ph> 12.1 brown/yellow

e.thymol blueph <8.0 yellow ph > 9.6 blue.

crystal violet can used determine ph between 0.8 , 2.6
there oither indicators can used ph low 0. malachite green- ph 0.00 yellow , ph > 2.6 - green/blue.

a.crystal violet
b.alizarin
c.phenplphthalein
d.alizarin yellow r
e.thymol blue


Science & Mathematics Chemistry Next



Comments

Post a Comment

Popular posts from this blog

What does this korean magazine says? can someone translate it for me? whos on the cover?

-
nah, she's korean beauty/make-up blogger! friend subscribed instantly recognised face! here's blog: http://www.cyworld.com/jpshop01/ pony pen name. real name 박혜민 (hye-min park). hope helps! please translate english. pretty lady on front cover? korean popstar or model? why looks beautiful? photo - http://i48.tinypic.com/348kpzo.jpg http://i48.tinypic.com/vid0kn.jpg thank u Travel Asia Pacific Korea Next
Read more

Is glass fibre really made from glass?

-
yes. glass fiber (or fibre) thin strand of glass can used insulation, communication, , reinforcement being woven fabric materials including cloth , tape. thin glass strong if pulled (in tension) large sheets of glass, brittle , broken if cut or bent. therefore coated or included in align or keep fluffy, etc. fiberglass (or brand name fiberglas) combination of glass fibers in mat or cloth form soaked in resin hardens hold shape - glass strengthens object , resin protects glass ino people tthis stupid question im kid , wondering :) Arts & Humanities Visual Arts Sculpture Next
Read more

Need advice on photography equipment!?

-
i'm 14, , photography. own rebel t3i 60mm macro lens, 28-80mm , 70-200 mm lens. i'm willing buy 2 new items expand "photography closet" with. i'm looking speedlite flash , wide-angle lens. 2 speedlite flashes i'm looking here: http://www.usa.canon.com/cusa/consumer/products/cameras/speedlite_flash_lineup/speedlite_320ex#specifications http://www.usa.canon.com/cusa/consumer/products/cameras/speedlite_flash_lineup/speedlite_270ex_ii#specifications , wide-angle lens i'm looking here: http://www.usa.canon.com/cusa/professional/products/lenses/ef_lens_lineup/lens_wide_pro/ef_28_f_1_8_usm dad suggested lens zoom, 1 showed had aperture of 5, , lost interest. if give advice on products given, or suggest other products, thrilled. in advanced! i'm 14, , photography. own rebel t3i 60mm macro lens, 28-80mm , 70-200 mm lens. i'm willing buy 2 new items expand "photography closet" with. i'm looking spee...
Read more