The alloy used for metal work and plumbing contains
The alloy used for metal work and plumbing contains A. lead and tin B. iron and carbon C.…
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The product of the reaction between ethanol and excess acidified K2Cr2O2 is
The product of the reaction between ethanol and excess acidified K2Cr2O2 is A. ethanal B. ethylethanoate C. ethanoic…
When ammonium chloride is dissolved in water in a test tube, the tube feels colder…
When ammonium chloride is dissolved in water in a test tube, the tube feels colder showing that A.…
An alkene may be converted to an alkane by
An alkene may be converted to an alkane by A. halogenation B. hydrolysis C. dehydration D. hydrogenation E.…
Which of the following gases are diatomic except
Which of the following gases are diatomic except A. nitrogen B. helium C. hydrogen D. fluorine E. oxygen…
Which of the following is correct about the electrons in the 1s orbital? They
Which of the following is correct about the electrons in the 1s orbital? They A. have the same…
Which of the following compounds of tin is a strong reducing agent?
Which of the following compounds of tin is a strong reducing agent? A. SnCI2 B. SnCI4 C. SnO2…
In which of the following pairs are both substances deliquescent?
In which of the following pairs are both substances deliquescent? A. CaCI2 and H2SO4 B. NaOH and MgSO4…
Producer gas is a mixture of
Producer gas is a mixture of A. oxygen and hydrogen B. Hydrogen and nitrogen C. nitrogen and oxygen…
Examples of polymers include the following except
Examples of polymers include the following except A. starch B. nylon C. wool D. perspex E. glass Correct…