skyinspiring7436 skyinspiring7436
  • 25-01-2024
  • Chemistry
contestada

The dark purple colour of KMnO₄ disappears in the titration with oxalic acid in acidic medium. The overall change in the oxidation number of manganese in the reaction is :
A. 7
B. 2
C. 5
D. 1

Respuesta :

Otras preguntas

angle b measures 60°. what is the measure of angle that is complementary to angle B?
Boys:girls in a ratio 2:4. If there are 12 boys, how many girls
humanists believe that A. Humans and animals existed on the same level B Shakespeare didn't actually write the plays we think he did C love is an illusion the
Given a conditional statement p → q, which statement is logically equivalent? ~p → ~q ~q → ~p q → p p → ~q
Which of the following nations is NOT a declared nuclear state? a. Argentina b. India c. People's Republic of China d. Great Britain
what did the shogun promise the daimyo
What aspect should you consider before adding pictures to a document?
What value for c will make the expression a perfect square trinomial? x2-7x+c A. -49/4 B. -7/2 C. 49/4 D. 7/2
Measurements of a plant's growth over a two-week period represent a. qualitative data. b. variables. c. hypotheses. d. quantitative data
Choose the correct relative pronoun. Our president is a man _____ people respect. who whose whom what