The oxidation number of Mn in K2MnO4 is
+2
+4
+6
0
Additional Questions
|
Which of the following oxides of nitrogen is coloured? |
Answer | ||||||
|
Colemanite is an important mineral of |
Answer | ||||||
|
Consider the following pairs :
Which of the pair given above is/are correct? |
Answer | ||||||
|
Consider the following statements and select the correct answer. |
Answer | ||||||
|
What is the relation between the voltage "V" across the ends of a resistor "R" and the current "I" which flows through it? |
Answer | ||||||
|
Which of the following vitamins are water-soluble? |
Answer | ||||||
|
World Meteorological Organisation headquarters is located at |
Answer | ||||||
|
The expansion of e-PPS is |
Answer | ||||||
|
The first clear detection of water vapour in asteroid belt was reported by |
Answer | ||||||
|
The Vice President of India is elected by |
Answer |