Oxides and hydroxides of metals are known as?

Oxides and hydroxides of metals are
known as?
by

1 Answer

Answer :

Bases
by

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Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) two ores [X] and [Y] show the following reactivity. (i)

Description : Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) two ores [X] and [Y] show the following reactivity. (i)

Last Answer : Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) ... and hydroxide ores D. Carbonate and oxide ores

Antacid tablets consist of – (1) Hydroxides of sodium, magnesium and aluminium (2) Hydroxides of magnesium and aluminium (3) Hydroxides of sodium and aluminium (4) Hydroxides of magnesium and sodium

Description : Antacid tablets consist of – (1) Hydroxides of sodium, magnesium and aluminium (2) Hydroxides of magnesium and aluminium (3) Hydroxides of sodium and aluminium (4) Hydroxides of magnesium and sodium

Last Answer : (2) Hydroxides of magnesium and aluminium Explanation: An antacid is a base which neutralizes stomach acidity. The most common of these bases are hydroxides, carbonates, or bicarbonates such as Aluminum hydroxide, Calcium. carbonate, Magnesium carbonate, Magnesium hydroxide, and Sodium bicarbonate.

Choose the correct statement about magaldrate: A. It is a mixture of magnesium and aluminium hydroxides B. It has a rapid as well as sustained acid neutralizing action C. Its acid neutralizing capacity is 2 m Eq/g D. It causes systemic alkalosis

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For which of the following classes of salts are all of its compounds soluble in water? w) sulfates x) nitrates y) hydroxides z) chlorides

Description : For which of the following classes of salts are all of its compounds soluble in water? w) sulfates x) nitrates y) hydroxides z) chlorides

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Antacid tablets consist of (1) Hydroxides of sodium, magnesium and aluminium (2) Hydroxides of magnesium and aluminium (3) Hydroxides of sodium and aluminium (4) Hydroxides of magnesium and sodium

Description : Antacid tablets consist of (1) Hydroxides of sodium, magnesium and aluminium (2) Hydroxides of magnesium and aluminium (3) Hydroxides of sodium and aluminium (4) Hydroxides of magnesium and sodium

Last Answer : Hydroxides of magnesium and aluminium

How many of the following mimerals are oxides of metals// metalloids .

Description : How many of the following mimerals are oxides of metals// metalloids .

Last Answer : How many of the following mimerals are oxides of metals// metalloids .

An important water contaminant is: (a) Heavy metals (b) Nitrogen oxides (c) Carbon monoxide (d) NO2 and SO2

Description : An important water contaminant is: (a) Heavy metals (b) Nitrogen oxides (c) Carbon monoxide (d) NO2 and SO2

Last Answer : (b) Nitrogen oxides

Pick out the wrong statement pertaining to nitric acid. (A) About 90% of nitric acid is manufactured by Ostwald's process (B) It is a strong mono basic acid which reacts with almost all the metals except noble metals (C) Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2 ) (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

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Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B Elements of Group 16 occur as cations in ionic compounds. C Oxides of elements in Groups 16 and 17 are basic. D The halogens (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.

Description : Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B ... (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.

Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

The mixture of uranium oxides is com- monly known as?

Description : The mixture of uranium oxides is com- monly known as?

Last Answer : Yellow cake

(a) What are ‘groups’ and ‘periods’ in the ‘periodic table’? (b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic table. How do the following properties of M and N vary? Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science

Description : (a) What are groups' and periods' in the periodic table'? (b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic ... Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science

Last Answer : (a) The vertical columns in the periodic table are called groups'. The horizontal rows in the periodic table are called periods'. (b) M' and N' belong to same period but group I ... oxides. Valency goes on increasing first and then decreases. MCI, NCI2 are molecular formulae of their chlorides.

White paints are made using the oxides of?

Description : White paints are made using the oxides of?

Last Answer : Titanium

Classify the following into acidic, basic, neutral and amphoteric oxides.

Description : Classify the following into acidic, basic, neutral and amphoteric oxides.

Last Answer : Magnesium oxide, carbon dioxide, carbon monoxide, sulphur dioxide, zinc oxide, calcium oxide. Acidic oxide –Sulphur dioxide, carbon dioxide Basic oxide – Magnesium oxide, Calcium oxide Neutral oxide – Carbon monoxide. Amphoteric oxide – Zinc oxide.

What are amphoteric oxides?

Description : What are amphoteric oxides?

Last Answer : Oxides of zinc and aluminium are called amphoteric oxides.

The main source of oxides which cause acid rain is

Description : The main source of oxides which cause acid rain is

Last Answer : combustion of fuel in industries.

Oxides of nitrogen released during lightning is an example of

Description : Oxides of nitrogen released during lightning is an example of

Last Answer : biodegradable pollutant.

Give reason: Oxides of nitrogen released during lightning is not pollutant but oxides released by industries and automobiles are pollutant.

Description : Give reason: Oxides of nitrogen released during lightning is not pollutant but oxides released by industries and automobiles are pollutant.

Last Answer : Human interference causes the same substance to become a pollutant.

Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Carbon dioxide B. Chlorofluorocarbons (Answer) C. Nitrogen oxides D. Methane

Description : Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere? A. Carbon dioxide B. Chlorofluorocarbons (Answer) C. Nitrogen oxides D. Methane

Last Answer : B. Chlorofluorocarbons (Answer)

Metallic oxides which react with both acid and base to produce salt and water are called A) Neutral Oxides B) Basic Oxides C) Amphoteric Oxides D) Acidic Oxides

Description : Metallic oxides which react with both acid and base to produce salt and water are called A) Neutral Oxides B) Basic Oxides C) Amphoteric Oxides D) Acidic Oxides

Last Answer : C) Amphoteric Oxides

What are amphoteric oxides? Choose the amphoteric oxides from amongst the following oxides: Na2O, ZnO, Al2O3, CO2, H2O -Chemistry

Description : What are amphoteric oxides? Choose the amphoteric oxides from amongst the following oxides: Na2O, ZnO, Al2O3, CO2, H2O -Chemistry

Last Answer : Those oxides which reacts with acids as well as bases to produce salts and water are called amphoteric oxides, e.g. Na2O, ZnO, are amphoteric oxides among given oxides.

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

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.

Harmful effects of oxides of sulphur? -Biology

Description : Harmful effects of oxides of sulphur? -Biology

Last Answer : answer:

Effects of nitrogen oxides on health? -Biology

Description : Effects of nitrogen oxides on health? -Biology

Last Answer : answer:

Harmful effects of oxides of sulphur? -Biology

Description : Harmful effects of oxides of sulphur? -Biology

Last Answer : answer:

Effects of nitrogen oxides on health? -Biology

Description : Effects of nitrogen oxides on health? -Biology

Last Answer : answer:

Which processe is used to remove reducible oxides from the metal? -Do You Know?

Description : Which processe is used to remove reducible oxides from the metal? -Do You Know?

Last Answer : answer:

What is Oxide ? Write the names of some oxides ?

Description : What is Oxide ? Write the names of some oxides ?

Last Answer : Oxygen is a bi-element compound that chemically combines with other elements to form oxygen . Oxides can be acidic , alkaline , bipolar or neutral in nature. Oxides of metals are generally alkaline and oxides of ... . Potassium oxide ( K 2 O) 4. Phosphorus pentoxide ( P₄O₁₀) 5. Calcium oxide ( CaO)

How many and what are carbon oxides ?

Description : How many and what are carbon oxides ?

Last Answer : : Two carbon oxides. One is carbon monoxide and the other is carbon dioxide. And there is another carbonate.

Nitrogen oxides produced from the emission of automibiles and power plants are the source of fine air borne particles which lead to:

Description : Nitrogen oxides produced from the emission of automibiles and power plants are the source of fine air borne particles which lead to:

Last Answer : Nitrogen oxides produced from the emission of automibiles and power plants are the source of fine air ... C. Wet acid deposition D. Industrial smog.

Oxides of sulphur and nitrogen are important pollutants of :

Description : Oxides of sulphur and nitrogen are important pollutants of :

Last Answer : Oxides of sulphur and nitrogen are important pollutants of : A. Water B. air C. Soil D. All of the above

Photochemical reaction of nitrogen oxides with unsaturated hydrocarbons produces

Description : Photochemical reaction of nitrogen oxides with unsaturated hydrocarbons produces

Last Answer : Photochemical reaction of nitrogen oxides with unsaturated hydrocarbons produces A. methyl isocyanate B. ... C. Benzpyrene D. peroxy-acyl nitrates.

Which of the following compounds on thermal decomposition yields as basic as well as acidic oxides ?

Description : Which of the following compounds on thermal decomposition yields as basic as well as acidic oxides ?

Last Answer : Which of the following compounds on thermal decomposition yields as basic as well as acidic oxides ? A. `Ca(OH)_(2) ... C. `K_(2)CO_(3)` D. `MgCO_(3)`

The enthalpy changes of formation of the gaseous oxides of nitrogen `(N_(2)O` and `NO)` are positive because of `:`

Description : The enthalpy changes of formation of the gaseous oxides of nitrogen `(N_(2)O` and `NO)` are positive because of `:`

Last Answer : The enthalpy changes of formation of the gaseous oxides of nitrogen `(N_(2)O` and `NO)` are positive ... The tendency of oxygen to form `O^(2-)`

Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ratio of the weights of carbon and oxygen is respectivel

Description : Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ratio of the weights of carbon and oxygen is respectivel

Last Answer : Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ... conservation of mass D. Law of constant proportions

Nitrogen oxides released in the stratosphere causes ozone depletion due to

Description : Nitrogen oxides released in the stratosphere causes ozone depletion due to

Last Answer : Nitrogen oxides released in the stratosphere causes ozone depletion due to A. catalysing conversion of ... . reacting with ozone D. All the above

Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction

Description : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction

Last Answer : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react ... D. Both are assertion and reason are incorrect

Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range from `N_(2)O` (O.S of nitrogen +

Description : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range from `N_(2)O` (O.S of nitrogen +

Last Answer : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with ... red D. Nitrogen dioxide is not acidic oxide

Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range of `N_(2)O` (O.S of nitrogen +1)

Description : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range of `N_(2)O` (O.S of nitrogen +1)

Last Answer : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range ... C. `NO_(2)` D. both A and C

The incorrect statement(s) regarding oxides of group-16 elements is/are

Description : The incorrect statement(s) regarding oxides of group-16 elements is/are

Last Answer : The incorrect statement(s) regarding oxides of group-16 elements is/are A. Reducing property of dioxide ... agent while `TeO_(2)` is a reducing agent

Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` (d) `NO_(2)` (e) `N_(2)O_(5)` (f) `P_(4)O_

Description : Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` (d) `NO_(2)` (e) `N_(2)O_(5)` (f) `P_(4)O_

Last Answer : Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` ( ... (4)O_(10)` (h) `SO_(2)` (i) `SO_(3)`

Number of acidic oxides among the following is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` (d) `N_(2)O_(4)` (e) `N_(2)O_(5)` (f) `P_(4)O_(6)` (g) `P_(4)O_

Description : Number of acidic oxides among the following is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` (d) `N_(2)O_(4)` (e) `N_(2)O_(5)` (f) `P_(4)O_(6)` (g) `P_(4)O_

Last Answer : Number of acidic oxides among the following is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` (d) `N_(2)O_(4)` (e ... (h) `SO_(3)` (i) `B_(2)O_(3)` (j) `CO`

How many of the following properties increase down the group for nitrogen family (a) Atomic size (b) Acidic character of oxides (c) Boiling point of h

Description : How many of the following properties increase down the group for nitrogen family (a) Atomic size (b) Acidic character of oxides (c) Boiling point of h

Last Answer : How many of the following properties increase down the group for nitrogen family (a) Atomic ... Metallic character (g) Basic character of hydrides

Which of the following oxides is the most acidic?

Description : Which of the following oxides is the most acidic?

Last Answer : Which of the following oxides is the most acidic? A. `N_(2)O_(5)` B. `P_(2)O_(5)` C. `As_(2)O_(5)` D. `Ab_(2)O_(5)`

Following are neutral oxides except :

Description : Following are neutral oxides except :

Last Answer : Following are neutral oxides except : A. NO B. `N_(2)O` C. `CO` D. `NO_(2)`

Which of the following oxides is amphoteric in nature ?

Description : Which of the following oxides is amphoteric in nature ?

Last Answer : Which of the following oxides is amphoteric in nature ? A. `N_(2)O_(3)` B. `P_(4)O_(6)` C. `Sb_(4)O_(5)` D. `Bi_(2)O_(3)`

Which of the following oxides of Nitrogen is Neutral

Description : Which of the following oxides of Nitrogen is Neutral

Last Answer : Which of the following oxides of Nitrogen is Neutral A. `N_(2)O_(5)` B. `N_(2)O_(3)` C. `N_(2)O_(4)` D. `N_(2)O`

Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction

Description : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction

Last Answer : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react ... D. Both are assertion and reason are incorrect

Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range from `N_(2)O` (O.S of nitrogen +

Description : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range from `N_(2)O` (O.S of nitrogen +

Last Answer : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with ... red D. Nitrogen dioxide is not acidic oxide

Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range of `N_(2)O` (O.S of nitrogen +1)

Description : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range of `N_(2)O` (O.S of nitrogen +1)

Last Answer : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range ... C. `NO_(2)` D. both A and C

The incorrect statement(s) regarding oxides of group-16 elements is/are

Description : The incorrect statement(s) regarding oxides of group-16 elements is/are

Last Answer : The incorrect statement(s) regarding oxides of group-16 elements is/are A. Reducing property of dioxide ... agent while `TeO_(2)` is a reducing agent