Producer gas is a mixture of?
A. oxygen and hydrogen B. Hydrogen and nitrogen C. nitrogen and oxygen D. nitrogen and carbon (ll) oxide E. hydrogen and carbon (ll) oxide Correct Answer: Option D – nitrogen and carbon (ll) oxideIn which of the following pairs are both substances deliquescent?
A. CaCI2 and H2SO4 B. NaOH and MgSO4 7H2O C. CaCI2 and NaOH D. CuO and NaCI E. CaCO3 and MgCI2 Correct Answer: Option C – CaCI2 and NaOH
Which of the following compounds of tin is a strong reducing agent?
A. SnCI2 B. SnCI4 C. SnO2 D. SnH4 E. Sn(OH)2 Correct Answer: Option D – SnH4
When the trioxonitrate (IV) salt of an alkali metal Y is heated, the formula of the residue is?
A. Y2O B. YNO2 C. Y2O3 D. Y (NO2)2 E. YO2 Correct Answer: Option B – YNO2Products
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