Answer: The law of constant proportions states that chemical compounds are made up of elements that are present in a fixed ratio by mass. It... View Article
Answer: The majority of the soil is oily, and dirt will not dissolve in water. Soap is made up of sodium and potassium salts of long-chain... View Article
Answer: Bromine water test is used to differentiate between the unsaturated compounds and the saturated compounds. A solution of bromine in... View Article
Answer: C3H6 and C2H2 Unsaturated hydrocarbons undergo addition reactions. C3H6 and C2H2 are unsaturated hydrocarbons which undergo addition... View Article
Answer: A soap is a water-soluble compound which is made via a process called saponification by the reaction between sodium hydroxide or... View Article
Answer: The word 'hard water' refers to water with a high mineral content. Hard water is formed when water percolates into calcareous, gypsum, or... View Article
Answer: Reason for using carbon and its compounds as fuels for most applications are listed below. Carbon compounds are very easy to handle.... View Article
Answer: A soap molecule is a sodium or potassium salt of long-chain carboxylic acid. It is composed of two sections, i.e., a long hydrocarbon... View Article
Answer: A homologous series is a series of compounds, which has the same functional group. This also contains similar general formula and... View Article
Answer: Electron dot structures or Lewis dot formula can be drawn if the molecular formula of the compound is known. it defines the nature of... View Article
Answer: Chloroform is an organic chemical compound initially employed as an ideal anaesthetic. It is a colourless, sweet-smelling dense liquid... View Article
Answer: (b) the fuel is not burning completely. If the bottom of the vessel becomes blackened on the outside when cooking, the fuel is not... View Article
Answer: (c) ketone In ketones, the carbonyl group has 2 hydrocarbon groups attached to it. These can be either the ones containing benzene... View Article
Answer: (b) 7 covalent bonds Ethane is a saturated hydrocarbon in gaseous form. Ethane is the second most common alkane, followed by methane.... View Article
Answer: Soap reduces water's surface tension. The soap's long chain non-ionic hydrocarbon group binds to oil or grease droplets, softening them... View Article
Answer: The water with naturally present minerals like magnesium and calcium with detectable amount is called hard water. These minerals are... View Article
Answer: An oxidizing agent (oxidizer or oxidant) is a chemical species that tends to oxidize other substances, i.e. cause an increase in the... View Article
Answer: Carboxylic acids emit carbon dioxide gas when they react with Sodium Carbonate, turning lime water milky, whereas alcohols do not. This... View Article
Answer: Since the production of heat is very necessary for welding metals, a mixture of oxygen and ethyne is burned instead of ethyne and air.... View Article
Answer: It is an oxidation reaction as ethanol is converted to ethanoic acid since the hydrogen atom is removed and oxygen is added. 1st step To... View Article
