Description : Which of the following metal is found in Free State in nature
Last Answer : Gold
Description : In which form is Silicon most frequently found in nature? w) The free element Silicon x) Silicon-Oxygen compounds y) Silicon-Carbon compounds z) Silicon-Metal compounds
Last Answer : ANSWER: X -- SILICON-OXYGEN COMPOUNDS
Description : Nature The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum
Last Answer : ANSWER: A
Description : The compound of a metal found in nature is called - (1) Mineral (2) Ore (3) Flux (4) Slag
Last Answer : (1) Mineral Explanation: Metals are an integral part of our planet and are found in almost all rocks and soils. Most metals form compounds called minerals, which are naturally occurring, inorganic solids with regular chemical compositions and crystal structures.
Description : When elements that are never found free in nature but are always found combined in a compound are the?
Last Answer : These elements are very reactive.
Description : Which of the following is always found in a free state in nature? (a) Gold (b) Silver (c) Sodium (d) Copper
Last Answer : Ans:(a)
Description : Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper
Last Answer : (1) Gold Explanation: Gold is the least reactive in the reactivity series. Since it does not react with other elements, it is found in a free form. Only gold, silver, copper and the ... occur in nature in larger amounts. Nonmetallic elements occurring in the native state include carbon and sulfur.
Description : Which one of the following statements is true about the term resources? (a) Resources are free gifts of nature. (b) They are the functions of human activities. (c) All those things which are found in nature. (d) Things which cannot be used to fulfill our needs.
Last Answer : (b) They are the functions of human activities.
Description : You are provided with magnesium ribbon and sulpher powder. Explain with the help of an activity that metal oxides are basic and non-metal oxide are acidic in nature. -Chemistry
Last Answer : Aim: To test the nature of oxides formed by metals and non-metals. Materials Required: Sulphur powder, Mg ribbon, water, blue litmus paper, red litmus paper. Procedure: 1.Take magnesium ribbon ... the metallic oxides are basic in nature whereas most of the non-metallic oxides are acidic in nature.
Description : Which metal is non toxic in nature? -General Knowledge
Last Answer : The answer is 'Gold'
Last Answer : answer:
Description : Which metal is more metallic in nature among 1A group elements ?
Last Answer : Francium
Description : Identify the metal which is non toxic in nature. (1) Chromium (2) Gold (3) Cadmium (4) Cobalt
Last Answer : (2) Gold Explanation: Toxic metals are metals that form poisonous soluble compounds and have no biological role, i.e. are not essential minerals, or are in the wrong form. Most often the ... essential trace element, but chromium (VI) is a carcinogen. Similarly, cobalt could also be toxic.
Description : Identify the metal which is non-toxic in nature
Description : Metalloid is (A) Highly electronegative in nature (B) An element which exhibits the properties of both metal & non-metal (C) An alloy (D) All (A), (B) and (C)
Last Answer : (B) An element which exhibits the properties of both metal & non-metal
Description : Metalloid is (A) An element, which exhibits the properties of both metal & non metal (B) Highly electronegative in nature (C) An alloy (D) All (A), (B) & (C)
Last Answer : (A) An element, which exhibits the properties of both metal & non metal
Description : Pick out the correct statement. (A) Stainless steel is nothing but chromium coated steel (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal (C) ... its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature
Last Answer : (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal
Description : Why are transition metal fluorides are ionic in nature where as chlorides and bromides are covalent in nature .
Last Answer : Ans - It is because of fluorine is most electronegative where as Cl and Br are less electro negative . Greater the difference in electro negativity more will be ionic character .
Description : Color of the glow produced in the discharge tube: A. depends on the pressure in the discharge tube B. depends on the metal used as cathode C. depends on the gas used in the discharge tube (Answer) D. does not depend on the nature of the gas used in the discharge tube
Last Answer : C. depends on the gas used in the discharge tube (Answer)
Description : Metal oxides are _______ in nature
Last Answer : Basic
Description : Identify the metal which is non toxic in nature. (1) Chromium(2) Gold (3) Cadmium (4) Cobalt