No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

    • Posted by Unnati Sharma 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Meghna Thapar 5 years, 10 months ago

    Aqua regia is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange (sometimes red) fuming liquid because it can dissolve the noble metals gold and platinum, though not all metals.

    0Thank You

    ANSWER

    • Posted by Shreya Alias 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Biswa Raj Majhi 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Sumedha Sahu 7 years, 3 months ago

    Because paint does not allow oxygen or water to pass through it

    2Thank You

    ANSWER

    • Posted by Sriram Acharya 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 2 answers

    Vikranth Reddy 7 years, 3 months ago

    When we are eating if we talk the food enters into windpipe . This is why hiccups and cough comes

    0Thank You

    Sriram Acharya 7 years, 3 months ago

    We feel hiccops because when we eat too much our diphagram unbalance and the air we exhale passes through oesophagas enter to our voice courd with the sound hips hips hips. These sound of hips hips hips known as hiccops

    3Thank You

    ANSWER

    • Posted by Harshit Kadyan 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 5 answers

    Anu Jaswal 7 years, 3 months ago

    Mucus

    1Thank You

    Vikranth Reddy 7 years, 3 months ago

    Mucus

    1Thank You

    $@Ny@ R@Jput 7 years, 3 months ago

    Mucus

    0Thank You

    Konkana Bhattacharjee 7 years, 3 months ago

    Mucous

    1Thank You

    Sumedha Sahu 7 years, 3 months ago

    Mucus

    1Thank You

    ANSWER

    • Posted by Param Paida 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 2 answers

    Lemon Crush Kishu 7 years, 3 months ago

    Name mean naam

    1Thank You

    Biswa Raj Majhi 7 years, 3 months ago

    Name means noun

    3Thank You

    ANSWER

    • Posted by Param Paida 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 3 answers

    Konkana Bhattacharjee 7 years, 3 months ago

    5778 kelvin

    1Thank You

    Konkana Bhattacharjee 7 years, 3 months ago

    5, kelvin778

    0Thank You

    Konkana Bhattacharjee 7 years, 3 months ago

    5,778 kelvin

    1Thank You

    ANSWER

    • Posted by Ekta Rahi 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 4 answers

    Anu Jaswal 7 years, 3 months ago

    Because it reflects light so that we can feel cool

    0Thank You

    Swapna Halyal 7 years, 3 months ago

    Because white colour reflect .ost of the heat of the sunlight

    0Thank You

    Sumedha Sahu 7 years, 3 months ago

    Because white colour reflect most of the heat of the sunlight

    0Thank You

    Harshit Kadyan 7 years, 3 months ago

    Colour ki spelling shik le ekta rani

    3Thank You

    ANSWER

    • Posted by Nandini Sharma 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 6 answers

    Anu Jaswal 7 years, 3 months ago

    Change in which no new product is formed

    0Thank You

    Vrushali Pawar 7 years, 3 months ago

    The change which is reversable

    0Thank You

    Palak Lakhotiya 7 years, 3 months ago

    Reversible change

    0Thank You

    Konkana Bhattacharjee 7 years, 3 months ago

    The answer is almost right mr. Biswa raj but it will be reversible not revisible

    0Thank You

    Biswa Raj Majhi 7 years, 3 months ago

    In this change no new substance form and it can be revisible

    1Thank You

    Rajdeepsinh Gohil 5 years, 9 months ago

    A change thet can be revisible

    3Thank You

    ANSWER

    • Posted by Bhavika Bakshi 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 2 answers

    Palak Lakhotiya 7 years, 3 months ago

    Take lime in with water(water=h2o ) and mix it .lime h2O is ready

    0Thank You

    Bhavika Bakshi 7 years, 3 months ago

    Add some lime in water and stir it for some time ur lime h2o is ready

    3Thank You

    ANSWER

    • Posted by Sumedha Sahu 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Sriya Ghosh 7 years, 3 months ago

    1.Always store water. Do not drink contaminated water. 2.Do not ignore the warnings issued by meteorological department. 3.Help your family friends and neighbours to move to safe places along with their important materials

    5Thank You

    ANSWER

    • Posted by Divya Prakash 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 5 answers

    Anu Jaswal 7 years, 3 months ago

    Organisms which can prepare their own food . Example green plants

    0Thank You

    Palak Lakhotiya 7 years, 3 months ago

    Organism which make their own food . Auto means self and troph means nourishment

    0Thank You

    Arshjyot Kaur Baluja 7 years, 3 months ago

    Organisms that prepare their own food from simple raw materials from nature is known as autotroph

    0Thank You

    Bhavika Bakshi 7 years, 3 months ago

    The organisms that make their food themselves are called autotrophs.The autotrophs are plants

    1Thank You

    Vrushali Pawar 7 years, 3 months ago

    The organisms which makes there own food they are called autotrophs

    4Thank You

    ANSWER

    • Posted by Ram Kumar 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 2 answers

    Sonali Aggarwal 7 years, 3 months ago

    Acid rain is the rain which contains small amount of acids formed from acidic gases in the air like sulphur dioxide and nitrogen oxides present in polluted air.

    2Thank You

    Yogita Ingle 7 years, 3 months ago

    Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning it  is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.

    1Thank You

    ANSWER

    • Posted by Jamnalal Vishwakarma 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Prakhar Raj 7 years, 3 months ago

    Acid rain is a rain ☂ or any other form of precipitation that is unusually acidic meaning that it has elevated levels of hydrogen ions ??????

    2Thank You

    ANSWER

    • Posted by Jamnalal Vishwakarma 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 5 answers

    Anu Jaswal 7 years, 3 months ago

    Leaves ??

    0Thank You

    Sriram Acharya 7 years, 3 months ago

    There leaves

    0Thank You

    Harshit Kadyan 7 years, 3 months ago

    Leaves becuase they have cholophy in it which produce food

    1Thank You

    Vrushali Pawar 7 years, 3 months ago

    There leaves

    1Thank You

    Prakhar Raj 7 years, 3 months ago

    LEAF ? ? ?

    2Thank You

    ANSWER

    • Posted by Babuaan Singh 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 2 answers

    Neel Sail 7 years, 3 months ago

    Frutis

    0Thank You

    Babuaan Singh 7 years, 3 months ago

    Fizzy drinks

    0Thank You

    ANSWER

    • Posted by Abhishek Prajapati 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 2 answers

    Mohan Chaudhary 7 years, 3 months ago

    The process of removing dirt dust, greece from the hair is called scouring

    0Thank You

    Yogita Ingle 7 years, 3 months ago

    Scouring: The process of removing dirt, dust and grease from the sheared hair is called scouring.

    0Thank You

    ANSWER

    • Posted by Abhishek Prajapati 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 3 answers

    Anu Jaswal 7 years, 3 months ago

    Name ???

    0Thank You

    Prakhar Raj 7 years, 3 months ago

    ELABORATE MEANS TO BRIEFLY EXPLAIN SOMETHING

    0Thank You

    Konkana Bhattacharjee 7 years, 3 months ago

    What do you mean? please elaborate!

    1Thank You

    ANSWER

    • Posted by Shreya Shreya 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Konkana Bhattacharjee 7 years, 3 months ago

    Saw dust and gunny bags are poor conductors of heat , they do not let the ice melt quickly , as they do not transfer the heat of the surroundings to the ice.

    0Thank You

    ANSWER

    • Posted by Nethan Tom 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Yogita Ingle 7 years, 3 months ago

    Clinical thermo meter:  This thermometer is used in Clinics to measure the temperature of human body.  A clinical thermometer has a temperature range of only 35ºC to 42°C.
    Laboratory thermometer:  is used to measure the temperature of all things, except the human body. It is a complex device. A laboratory thermometer has a temperature range of -10ºC to 110ºC.

    0Thank You

    ANSWER

    • Posted by Ved Thakre 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 4 answers

    Anu Jaswal 7 years, 3 months ago

    1. Tusk for tearing bark of ? 2. Ears for hearing and radiating heat 3. Trunk to hold something heavy.

    0Thank You

    Shreya Shreya 7 years, 3 months ago

    They have big ears for radiating heat. They have broad feet to bear their weight They have elongeted nose called trunk which helps in picking,bathing etc.

    0Thank You

    Nandakishore Gireesh 7 years, 3 months ago

    Elephants have trunk which help them to pickup food items They use their ears to reduce body temperature and to hear small sound

    0Thank You

    Krisha Zala 7 years, 3 months ago

    They have large ears to hear a very little sound the trunk is also used by it for picking up food

    5Thank You

    ANSWER

    • Posted by Kidhang Xubba 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Shreya Shreya 7 years, 3 months ago

    Convex and concave mirror respectively

    0Thank You

    ANSWER

    • Posted by Rachit Bajaj 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 2 answers

    Monika Bansal 7 years, 3 months ago

    Because hot air rises up

    2Thank You

    $@Ny@ R@Jput 7 years, 3 months ago

    Because it is very hot and it can burn the thing on which it is placed.

    2Thank You

    ANSWER

    • Posted by Ramya Sai Tanuja 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Yogita Ingle 7 years, 3 months ago

    When the speed of wind in the region suddenly increases, low pressure starts developing in that region.
    The air from the high pressure area starts moving here, which later results in winds.
    Therefore, if you experience winds, you may be standing in an area which is pressure deficient.

    0Thank You

    ANSWER

    • Posted by Mithun Balakrishnan 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 3 answers

    Anu Jaswal 7 years, 3 months ago

    madhya Pradesh

    0Thank You

    Harshit Kadyan 7 years, 3 months ago

    Tera body part

    0Thank You

    Rudresh Parmar 7 years, 3 months ago

    Madhya pradesh

    1Thank You

    ANSWER

    • Posted by Krisha Zala 5 years, 9 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Yogita Ingle 7 years, 3 months ago

    Humus is the top layer of the soil formed by decaying or decomposition of organic matter like leaves or animal remains or dead organisms, dead animals, dead plants, shed leaves or organisms by the microorganisms.

    1Thank You

    ANSWER

    • Posted by Aditya Gupta 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 3 answers

    Nandakishore Gireesh 7 years, 3 months ago

    No Wind is the movement of air from high to low pressure areas

    0Thank You

    Krisha Zala 7 years, 3 months ago

    No the percentage of carbon dioxide is 0.03%

    0Thank You

    $@Ny@ R@Jput 5 years, 9 months ago

    Wind is formed by several gases like oxygen, nitrogen, carbon dioxide etc. Percentage of gases in atmosphere: Oxygen=21% Nitrogen=78% Carbon dioxide, argon, dust particles etc.=1%

    3Thank You

    ANSWER

    • Posted by Ved Thakre 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 2 answers

    Krisha Zala 7 years, 3 months ago

    The fleece of the sheep along with thin layer skin removed from its body is called shearing

    1Thank You

    Deepshikha Yadav 7 years, 3 months ago

    The process of removing the fleece (hair) of the sheep along with thin layer of skin is called shearing

    4Thank You

    ANSWER

    • Posted by Dishant Salgotra 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 6 answers

    $@Ny@ R@Jput 7 years, 3 months ago

    It is a substance that allows electricity to pass through it. Example: iron

    1Thank You

    Anshu Kapoor 7 years, 3 months ago

    The substance which coduct electricity and pass through it

    1Thank You

    B.N Bibhor 7 years, 3 months ago

    In which electricity pass

    1Thank You

    Ishant Dhole 7 years, 3 months ago

    Conductor are conducted by the way of electricity

    1Thank You

    Arnab Chanda 7 years, 3 months ago

    The material which allow heat easily to pass through them are called conductor

    3Thank You

    Sumedha Sahu 5 years, 9 months ago

    The metal which allows heat to pass through them are called conductor .

    4Thank You

    ANSWER

    • Posted by Vandana Bhati 7 years, 3 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Vandana Bhati 7 years, 3 months ago

    The process when meristematic tissues acquire a definite shape and are given a particular function and gets converted to parenchyma tissue then this is termed as differentiation...

    3Thank You

    ANSWER

    myCBSEguide App

    myCBSEguide

    Trusted by 1 Crore+ Students

    Install Now

    Test Generator

    Test Generator

    Create papers online. It's FREE.

    Try Now

    CUET Mock Tests

    CUET Mock Tests

    75,000+ questions to practice only on myCBSEguide app

    Install Now
    Google Play

    Download myCBSEguide App

    All Courses

    Other Websites

    CBSE Courses

    Resources

    Corporate

    NCERT Solutions

    CBSE Sample Papers

    All Content and Intellectual Property is under Copyright Protection | myCBSEguide.com ©2007-2026