Which of the following is false: `|4+2=|4|+|2|` (ii) `|2-4|=|2|+|4|` (iii) `|4-2|=|4|-|2|` (iv) `|(-2)+(-4)|=|-2|+|-4|`

Which of the following is false: (i) |4+2|=|4|+|2| (ii) |2-4|=|2|+|4| (iii) |4-2|=|4|-|2| (iv) |(-2)+(-4)|=|-2|+|-4|

Which of the following is a Bronsted acid ? (i) HCN , (ii) H_(2)PO_(4)^(-) (iii) NH_(4)^(+) , (iv) HCI

Name the octant in which each of the following points lies. (i) (1, 2, 3) (ii) (4, -2, 3) (iii) (4, -2, -5) (iv) (4, 2, -5) (v) (-4, 2, 5) (vi) (-3, -1, 6) (vii) (2, -4, -7) (viii) (-4, 2, -5)

Locate the following points : (i) (1, -1, 3) (ii) (-1, 2, 4) (iii) (-2, -4, -7) (iv) (-4, 2, -5)

In which quadrant do the following points lie? (i) (4,2) (ii) (-3,5) (iii) (-2,-5) (iv) (4,-2)

In which quadrant do the following points lie? (i) (4,2) (ii) (-3,5) (iii) (-2,-5) (iv) (4,-2)

Find the octants in which the followings points lie: (i) (2,3,4) (ii) (2,3,-4) (iii) (-1,-2,3) (iv) (-3,-4,-5) (v) (-1,2,5) (vi) (2,-1,-3) (vii) (1,-3,4) (viii) (-2,-3,5)

Locate the following points (i) (1,-1,3) " " (ii) (-1,2,4) (iii) (-2,-4,-7) " " (iv) (-4,2,-5)

Locate the following points (i) (1,-1,3) " " (ii) (-1,2,4) (iii) (-2,-4,-7) " " (iv) (-4,2,-5)

Name the octant in which the following points lies (i) (1,2,3) (ii) 4,-2,3) (iii)(4,-2,-5) (iv)(4,2,-5) (v)(-4,2,-5) (vi)(-4,2,5)(vii) (-3,-1,6)(viii)(2,-4,-7)