Very toxic gas which causes headache, visual difficulty, paralysis and even death in the human beings is
(A) `CO_(2)` (B) `O_(3)` (C) `CO`

Highly toxic gas which causes headache, visual paralysis and even death is :

[Co(C_(2)O_(4))_(3)]^(3-) is a

Which one of the following is not a green house gas ? CO_(2), CH_(4), O_(2), CFCs .

Which of the following is a secondary pollutant ? (A) O3 (B) SO2 (C) CO2 (D) CO

For which of the following gas mixtures is the dalton's law of partial pressure is applicable? (i) NO+O_(2) (ii) CO_(2)+CO (iiii) CO+O_(2) (iv) CH_(4)+C_(2)H_(6) (v) CO+H_(2) .

Which one of the following is not a greenhouse gas? CO_(2),CH_(4),O_(2),CFCs .

Which of the following factors is mainly responsible for toxicity of "CO" gas? (A) It has very high calorific value (B) It readily combines with "O_(2)" to form "CO_(2) (C) It readily combines with haemoglobin in blood and forms a stable complex (D) "CO" is sparingly soluble in water

Which of the oxdies behave both as neutral oxide and suboxide ? (a) N_(2)O , b. NO , c. C_(3)O_(2) , d. CO