3.1 GROUP IIIA ELEMENTS
All Questions
Chemical composition of colemanite is
a)
Ca<sub>2</sub>B<sub>6</sub>O<sub>n</sub>.5H<sub>2</sub>O
b)
CaB<sub>4</sub>O<sub>7</sub>.4H<sub>2</sub>O
c)
Na<sub>2</sub>B<sub>4</sub>O<sub>7</sub>.4H<sub>2</sub>O
d)
CaNaB<sub>5</sub>O<sub>9</sub>.8H<sub>2</sub>O
Check
‹
1
2
3
4
5
›
