Brass and bronze are both metallic alloys. Which of the following constituents is common to…
Brass and bronze are both metallic alloys. Which of the following constituents is common to both … Read More
Chemistry
The reaction between an organic acid and an alcohol in the presence of an acid…
The reaction between an organic acid and an alcohol in the presence of an acid catalyst … Read More
The IUPAC names of the compounds CH3COOH and CH2=CH2 are respectively;
The IUPAC names of the compounds CH3COOH and CH2=CH2 are respectively; A. acetic acid and ethene … Read More
During the electrolysis of copper II sulphate between platinum electrodes, if litmus solution is added…
During the electrolysis of copper II sulphate between platinum electrodes, if litmus solution is added to … Read More
A sample of hard water contains some calcium sulphate and calcium hydrogen carbonate. The total…
A sample of hard water contains some calcium sulphate and calcium hydrogen carbonate. The total hardness … Read More
The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively,…
The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively, therefore … Read More
When each of the nitrates of Potassium, Magnesium and iron is heated,
When each of the nitrates of Potassium, Magnesium and iron is heated, A. all the nitrates … Read More
Which of the following metals cannot replace hydrogen from water or steam?
Which of the following metals cannot replace hydrogen from water or steam? A. Sodium B. Magnesium … Read More
When heat is absorbed during a chemical reaction, the reaction is said to be
When heat is absorbed during a chemical reaction, the reaction is said to be A. thermodynamic … Read More
When large hydrocarbon molecules are heated at high temperature in the presence of a catalyst…
When large hydrocarbon molecules are heated at high temperature in the presence of a catalyst to … Read More